Lbz clogged cat. At first, I thought my ECM needed reset.

Lbz clogged cat Explore the causes and treatments for cat congestion to ensure your feline's health and well-being. Same thing happened. Replacement: If diagnosed as faulty, replace the lift pump promptly. you can run a donaldson p553203 on your cat adapter. Mar 13, 2024 · Overview of Duramax Injectors Duramax injectors are essential components in diesel engines, with various types tailored for specific models like the LBZ. Just my input for what little it is worth. Therefore, when you purchase OEM Bosch Reman Injectors, you can be assured that you are going to get quality above and beyond any other manufacturer. 2006 White 2500 HD-Allison-LBZ-CCSB-Leather-Sunroof-XM, Bed over spray in Line-X, Truxedo Lo Pro QT, Debadged (except Alli/Duramax), Prodigy brake controller, Raised 1" in front, USA-SPEC iPod to GM interface, EGR Blocked & Finger Stick, Modded airbox, PCV re-routed. It should NOT be a steady stream or big puffs. May 21, 2021 · 2006 SIERRA CC SB 2500HD 6. I've never heard of this or seen a DIY for this. Aug 26, 2007 · Hey guys I've got one for you. 6 LBZ 179,000 and ticking 3" MBRP Down Pipe 4" Diamond Cat Back 5" SS tip Edge CTS2 Intake resonator Plug EFI LIVE DSP5 by ATP via BBP AIRDOG2 Interior lighting to BLUE LED conversion 285/75/16 Apr 14, 2014 · 16' GMC 2500HD SLT SOLD - 06' LBZ Duramax - SOLD -4" turbo back straight pipe. Truck is at 88k miles. IMO, cats are clogged when they are new. When ever I really try and get on the throttle and push it, sthe truck throws me a code P0087. Ordered two separate kits and the bolts start to thread Dec 16, 2018 · Cats on diesels are different than what gassers have, and many people are still running catback for years on diesels with thousands of miles on with no troubles. After that she ran like a champ! Oct 29, 2012 · The dealer called and said it was a clogged catalitic converter and thats all. Poor fuel flow from the tank. Mar 18, 2012 · The temperatures may be close (withing 50-100*F), but the main thing is the temperature before the cat is less than the output of the cat. And that was because I had clogged cats so I hollowed them out and the truck drove amazing when I brought it back to the shop it stalled on me when I was about to park but started right back up. Apr 28, 2008 · My LBZ has started dying about 4 or 5 seconds after startup. If the engien is running, then the injectors are going to return fuel (they do every time they are fired). low fuel/rail pressure. 5 3500 Silver Birch LT 4WD Bullydog PMT, V-2 W/Fan BD Maifold, EGR Blocked, Silverline (No Cat) LBZ Mouthpiece, PCV Reroute Save Reply Like Randy_the_Hack Jan 27, 2014 · If so how do you do this on an LMM? where is the ficm? Yes, you can only do a return rate test with the injectors not being triggerred. Here's a detailed look at Duramax injector types and their applications in vehicles such as the GMC 3500: Types of Duramax Injectors: LBZ Injectors: Specifically desi Oct 9, 2024 · Learn the signs of a bad O2 sensor or catalytic converter, how to diagnose the issue, and understand the impact on your vehicle’s performance and emissions. Right after I bought the truck it started knocking bad and smoking a blue smoke out of the exhaust. With a bully dog triple dog tuner Aug 14, 2016 · Todays cats are great but high flows make it flow even better which the difference between them i dont know but the cat that wasnt clogged is louder so the new cats definately flow better and of course the bad cat (clogged) flows better because stock or not the cat will flow more freely cause it isnt clogged. Jun 2, 2021 · How reliable is the LBZ Duramax? 5 common engine problems such as EGR valve failure, water pumps, cracked pistons, and more! Dec 28, 2011 · The same can be said for a LBZ when speaking of high vane position operating characteristics. 2006 Chevy, 2500HD, 4X4, Ext, Short box, 6. LB7 was a good engine but had some head gasket issues. May get mild tunes in the future not sure yet. It has two pipes projecting from it, the input and output, and the catalyst to prepare the gasses for release. I'm new here, but this isn't the first forum I've joined, so I appreciate everyone's input and hope you can spare me the "use the search" lecture. The catalytic converter, typically a large metal box, is located on the vehicle’s underside. Experiencing low fuel rail pressure problems when it's cold out side. I wouldn't think it would get clogged at 10,000 miles though. In this blog post, we’ll discuss the symptoms of a clogged cat converter, the underlying causes, and how to address the issue effectively. I finished putting the truck together tuesday night, drove it home, drove yesterday and this morning. Kinda like a LB7 does with bad injectors. Will I throw any codes by deleting the cat? Will I gain noticeable Nov 14, 2010 · New to the DMAX I always ran a powerstroke before coming over from the dark side. In addition the test results using Torque indicate the EGR Monitor Bank 1 may also have problems (current 183. What size LP is anyone running in this application? (stock). Oct 19, 2012 · Is it a full exhaust (from the downpipe back) or is it a cat back (from the catalytic converter)? A clogged cat will cause this. So like any responsible diesel owner I am replacing the Egr with a new one. First Gen II Lightning running on E85! Built motor, Turbo Blown Reply Jan 19, 2021 · I feel like I'm getting mixed signals from reading different posts on what would be best for my particular situation. Dec 5, 2009 · 07' CLASSIC LBZ, 3LT, EFI LIVE W/DSP5 BY IDAHOROB , COGNITO LEVELING KIT, SS SLEEVES, SS WESTIN NERF BARS, ZINC 5100 BILSTIEN'S, SPEED LINER, 285-70-17 COOPER STT, PPE AIR BOX MOD, EGR BLOCK, TRANSGO JR AND DEEP PAN TRANSYND CONVERSION, 4" MAGNAFLOW SS DOWN PIPE BACK , EDGE INSIGHT W/EGT PROBE. I don’t like cats but I prefer to be able to breath without coughing. i thought i was doing good by getting a banks monster system, i have herd of taking the cat off but A P0299 diagnostic code indicates an underboost condition. You might think it's the other way around, but there is some restriction in the cat and it's main job is to burn un-spent fuel. LLY is overall a good engine had occasional head gasket and injector issues. I have a 2006 LBZ, not getting the best mileage, and was told by a friend Low or inconsistent pressure points to a failing pump, clogged filter, or restriction in the supply line (like a pinched hose or clogged tank sock filter). Apr 27, 2011 · i finally ordered a exhaust for my 06 lbz, and when i asked the guy at the garage about putting it on (cause i just don't have time to install it my self) he asked why i was keeping the cat on it. LMM has EGR CAT and DPF, LML has EGR CAT DPF and DEF. 6 LBZ Duramax injectors were originally designed by Bosch and they manufacture all the parts. How much is to much-- hard to tell! I would not worry about it. 50 Atturo Trailblades, Alligator ffa with CAT filter, PCV dumped to atmosphere as god intended, 5" turboback, ATS tranny, HIDs, LED's, downpipe, ATS rear diff cover, Bilstein 5100s, Pioneer AVIC Z2, Planet Audio 12" subs, Cerwin Vega amp. Even though the turbo was slightly downsized, horsepower and torque were increased to 360 and 650 respectively. Nov 24, 2010 · A clogged cat can create a low boost/no power situation. Feb 28, 2011 · 07 lbz silverado classic lbz ccsb banks intake, banks intercooler,5in magnaflow turbo back, EFI by dans diesel performance, bd diesel manifold ,diamond eye downpipe, fass 150, fluid damper, isspro gauges boost, egt, fuel pres. Dec 30, 2021 · Only thing I can think of is egr, or clogged cat, unbolt front cat pipe from down pipe and drive it Oct 23, 2011 · NEW TRUCK- 2006 LBZ cc/sb loaded southern coach, smoky mountain sportsman edition, 20" black hostile havoc's, 305/50/20 nitto trail grapplers, EFI LIVE by rob at ATP performance, 5" exhaust, transgo jr, egr blocked, pcv rerouted, isspro ev2 gauges, tinted windows, just gettin started! Oct 23, 2009 · I have a 2007 LBZ with 140K, and it has been knocking on and off at idle and under light load. Oil level was good and there was no blowby so I added a Apr 7, 2022 · Recently i made some emissions repairs on my 2016 lml. Ensure your vehicle runs smoothly and avoid costly repairs. By the time you add in all the adapters and clamps it was $120 Jan 13, 2009 · I live in Kelso. It is kinda hard to get started back, have to hit the starter 3 or 4 times with the throttle against the floor and it starts up like it is May 26, 2010 · Has anyone removed the cat on a stock LLY exhaust and replaced it with a "test" pipe? If so, which brands will fit without modifying the stock exhaust? What results did you get? Any drone in the cab? I'm not running a programmer YET, but am interested in picking up MPG and lowering the Related: LMM vs. I called the dealership I got it from and they took it back on saturday to work on it. We do have a detailed blog post on the EGR valve here: https://bulletproofdiesel. I asked are you sure something upstream is not causing the clog? and they said they would diagnose it further tomorrow after they install the new cat and clear all codes. EGR delete, 4 inch turbo back. Dec 31, 2019 · 07 classic crew lbz So far stock with cat delete pipe only Sounds like satan getting raped Temporary 33x13x16 on 16x10 rubs like crazy Mar 2, 2005 · 2001- 2004 LB7 federal emission package = no cat 2001 LB7 Ca emissions = no cat 2002- 2004 LB7 CA and NorthEast emissions = cat 2004 up LLY all = cat 2004. LMM is an LBZ with different injectors and more emission devices. After adding anti-gel additive (if fixed it after 30 Sep 1, 2024 · A clogged cat converter can cause significant issues for your vehicle, from poor performance to increased emissions. Until then, I want to know what the warning signs are. If I have to, I'll take the car to an indy. 3 at the same time. p0300 could be fuel contamination or clogged injectors. I left it running Mar 25, 2016 · Reading about he deadly blue smoke at idle, this came up as a possible cause. hu -EFI Live -Amp steps -6" Pro Comp lift -AFE filter -US Speedo gauge kit -Rhino lined bed -Mag-Hytec Dif. Studs, M. 6L LBZ, MBRP TPB 4", Towing RV "Double", 27 foot 5th wheel camper and a 20 foot Starcraft Fishmaster boat. It could also be from non condensables in the system such as air Yep. My first question is will removal cause any codes or a need for reprogramming? And Dec 10, 2014 · My signature is up to date. Jan 31, 2025 · I've never had any issues with cats before but after doing a lot of searching it seems like this could be the problem for the loss of power. Dec 10, 2010 · If it is a clogged cat is there any way to be sure thats exactly what it is? I doubt ill go with servicing it at the dealer but im sure the fix will still be a costly one even at a local mechanic. May 16, 2012 · 2007 Black Chevy 2500HD LT4 Duramax LBZ ccsb 18inch kmc addicts 33x12. It came off and a cheap ass summit racing one went on. Recognizing Symptoms of a Clogged Catalytic Converter If you suspect that your car’s catalytic converter is clogged, it’s important to recognize the symptoms so that you can take action before the problem gets worse. This was also the first revision of Duramax, as the new LBZ had beefier internals and an upgraded fuel system. I'm not sure if the filter is just getting clogged with 12000 miles or is there a pump Apr 3, 2014 · 2006 2500HD LBZ 4X4 CC/SB LT3, 265/75R16, Rhino Liner, PCV Reroute, Resonator Plugged, 35w 6K HID Low Beam & Fog Lights, LED Interior Lights, ISSPro Pyro, Boost, & Rail Pressure Gauges in A-Pillar, Cognito Idler/Pitman supports, more to come soon. A blocked tear duct in a cat can lead to discomfort, eye infections, and even vision problems if left untreated. Here are the symptoms of clogged catalytic converter and how to fix it. Since a lot of smoke passes through the Jan 24, 2010 · Don't laugh, I honestly don't know, but . Learn how long a LBZ Duramax can last with maintenance and key factors affecting its longevity. Racor fuel filter has about 900 miles on it. Feb 17, 2019 · 07 LBZ CCSB SLT 303, 850 miles : 40Hp EGR Delete/Tow Tune, Cat bk, Edge CTS, WGuard Toolbox, Tool box tonneau on 265/70R/17's. In this article, we will discuss the treatment options available for cat blocked tear ducts, as well as explore some interesting trends . I'm still having issues and the truck is still parked. Not sure, but I believe you pull the ignition 1 relay on an LBZ/LMM during the test. Aug 20, 2020 · New to owning a diesel. Clogged catalytic converters are a common problem that can be remedied with the right know-how and hard work. Would this cause any ill effect if I do this? Thank you in advance. Cover -35" Mickey Thompson ATZ's wrapped arounD 18" Moto Metal wheels -Navi deck, Kicker speakers, and 2 10" Kicker subs Save Reply Quote Like Sort by Oldest first bigjohn 5,819 posts · Joined 2012 #2 ·Apr 14 Jul 6, 2013 · SOLD 2001 GMC Sierra 2500HD, CC,SB EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb Cognito Braces, and ATP Sleeves, BD Manifold, ARP H. HAD to get another LBZ. Oct 15, 2013 · Whenever I have been starting up my truck lately the exhaust has been rattling from the rear of the truck until I begin driving it. Jul 24, 2007 · How do I know when my cat goes bad, as it wouldn't send code with finger stick? I know the obvious sign might be loss of power, & mpg, but not necessarily as those factors could relate to bad fuel. Mar 11, 2011 · 07 LBZ 4x4 1LT Banks Speedbrake, EFI Live, 20" American Eagle 507s, 33x12. Nov 14, 2019 · Hey y’all I’m hoping someone can give me a little insight on what’s going on. Mar 4, 2014 · 2006 lbz, rclb, WT package, dsp5 efi from bobo run on max effort, airdog 165, ppe race plug, mbrp tb cool duals, built trans, afe stage 2 cai,ppe sleeves, mbrp boost tube, egr block, mbrp 3''downpipe, pro built trac bars, 6,600lbs of American muscle :gearjamin Apr 23, 2008 · Anyone still have their old downpipe with converter? I wanna try something. Jul 25, 2025 · My question is: Is this normal for LBZ EGR valves? If so what is the normal operation of the port on the bottom? 2 independent shops and the dealer have told me this is not normal, but they keep just wanting to throw new Egr valves at it. Mar 2, 2011 · So I'm looking at taking my cat off, what are the pros and cons of doing that? Also, is there a cat delete kit i can buy? Which would be better, taking the cat off or the muffler? Which would give me more hp and mpg gains? and more whistle? I have an 06 LLY. Nov 5, 2012 · I was on my way home and my check engine light came on and my truck started acting real sluggish i don't know if the fuel filter is clogged up or if it's something else i got home and killed it then started it back up and it acted just fine any ideas? May 4, 2009 · First I installed the new exhaust , thinking it was a clogged Cat and that didn't help with my fuel economy. You should be fine removing the cat. How do I test to see if the pcv valve is bad or lines plugged? Aug 2, 2021 · Most LB7 engines did not come with a PVC system- (Ca engines did have PCV)-cat and egr- so if you remove the filler cap while idling, it may have some smoke. JoAnna Pendergrass, DVM explains its causes, symptoms, and treatment. If thats all good let us know as we could be here all day suggesting things. Whenever I am driving it seems to get up Feb 18, 2008 · The finger stick should take care of any related codes. Aug 23, 2011 · Hi All, I picked up a 2007 gmc 3500 last friday, I drove it 20 miles on the highway and it started to beep and tell me the transmission is overheating and to let the truck idle. SOME trucks will throw EGR codes with the cat off because the flow will be insufficient mine never did and chances are likely that yours won't either. Learn possible causes, symptoms, and troubleshooting tips for P0299. I change mine every 2500 miles for this very reason: I tore out a 6 speed out of a LBZ that started off with trans overheating issues. Apr 17, 2023 · Urethral obstruction in cats is a life-threatening emergency. blocked- PCV rerouted- EGR Blocked (FE9)- MBRP DP- MBRP 4" (lost kitty )- Autometer Factory Match Boost, Pyro. Find out how to unclog a catalytic converter and the related costs. I have an 07 stock except CAI an cat fuel filter kit. as for Truck thieves. Cats are known for their independent and sometimes aloof nature, but when a cat is blocked, it can be a serious and potentially life-threatening condition. 50 mickey thompson mtz's 100k 4inch,intake SOLD 2006 White GMC 3500 srw W/T Durmax Lbz cclb stock "the problem child" Sold Sep 27, 2010 · The Cat on the LBZ has a tendancy to slow down turbo spool up, so once you get the CAT gone, the turbo works better and thus equals more feel. Learn why this engine stands out among Chevy models. May 28, 2013 · I have a question for all you guys I just bought a Cat delete pipe for my LBZ and I am wondering how to get the kitty out of there without curing it, in Mar 2, 2011 · 07 LBZ 4x4 1LT Banks Speedbrake, EFI Live, 20" American Eagle 507s, 33x12. Jan 2, 2012 · The cat provides the backpressure so that the EGR can force exhaust gasses back into the intake. That may be clogged. pcv reroute, cognito uca with bilstein 5100, batmowheel in stock charger, high flow fuel rail fitting, egr blocker Jan 8, 2010 · 2004 CC/SB LLY 4x4 LBZ mouthpiece, 4" Downpipe back MBRP, Quadzilla S2, RIP Cat, EGR blocked, Autometer Phantom II gauges Needed: PCV re-route, maybe EFI someday so much more so little $ Oct 5, 2010 · Guys, if you havent replace your red spin on filter in awhile, do it now. It is probably true; once you drive a car with an internal combustion engine, you should expect to experience a clogged catalytic converter. LBZ is considered the “best” and is when the 6 speed was introduced. I’m looking into getting a lift pump to run the cat filter and prolong the cp3. Jul 22, 2022 · How do you delete the Duramax LMM DPF System? Learn how to delete the DPF and DOC as well as the pro's, con's, and performance benefits. But I thought for $63 a new front pipe would be easier to reverse if I ever had to (or a future owner had to). I like the setup, but it is just so quiet. Once again far fetched but another possibility Nov 12, 2024 · So I have fixed the problem on why my truck didn't want to get up to speed at all. Aug 30, 2023 · I have been getting egr codes for a while off and on. Let’s dive into the causes Jul 25, 2025 · Feline lower urinary tract disease (FLUTD) is a serious condition! Our experts break down the stages of urinary blockages in cats and treatment Dec 2, 2015 · AD2- MA Sleeves- MA Pump Upgrade- MA Rear Housing Support- LBZ MP- Res. A buddy of mine has one with nothing but exhaust and it smokes like a sidewalk hooker, I was just wondering to make sure that there is nothing clogged up or any issues that I don’t know about with this truck. At first, I thought my ECM needed reset. Is my muffler clogged, leaking 2006 Duramax LBZ LT trim Full load truck minus sunroof -356000 kms -New glow plugs 2025 -Brand new Cat batteries 2025 -New front control arms,shocks,tie rods, pitman arm -new style Chevy key fob -4 inch exhaust -Egr deleted Couple other things. Maybe bad spark plugs. Mine is a 05' and does not tell me when or what percentage my fuel filter is at. LBZ (Comparison of Duramax Diesel Engines) Best Lift Pump for Duramax (Upgrading Fuel Efficiency & Performance) Best Oil for Duramax (Comprehensive Guide) Introduction to Duramax Engines and Oil Pressure Duramax is synonymous with durability and efficiency in the diesel engine world. EFI Live AutoCal V3 DPF Delete Tuner | DPF Delete, CAT Delete, DEF Delete & EGR Delete | Increase fuel mileage | Improve reliability. Does any one know the bolt diameter and thread for the bolt that screws down through the Egr into the stock up pipe? Can’t find the old one. Do it asap. 2016 GMC Sierra 2500HD SLT 4x4 LML CCSB 2006 GMC Sierra 2500HD SLT 4x4 LBZ CCSB Sold Reply Save Like PlumCrazyCustom · #7 ·Feb 3 Sep 3, 2021 · Learn about 6 common symptoms of catalytic converter failure, including the main 3 causes and diagnostic steps to take to fix a bad cat. If you let it clog up, does that then block the EGR? Jan 18, 2015 · 07 LBZ Dually, Aero Turbine muffler, Nicktane with 2 micron Cat filter, some John Kennedy parts, 235-85-R-16 GoodYear Duratrac's on Eagle 058 rims. 2005 Silverado 2500HD ECSB 11. mbrp 5" turbo exhaust (no muffler or cats) modified stock air intake, EFI by Kory Willis, Big Dipper stage IV trans, Precision ML, Pump rub fix, Alligator trans lines, Autometer guages, Airdog II-165, Ready Lift leveling kit, 285/75 Nitto Dune Grappler, Bilstein shocks, Cognito idler and pitman arm braces, PPE tie Aug 25, 2009 · Fuel Pump Going Out? Clogged Cats?? 2553 Views 15 Replies 7 Participants Last post by Manic Mechanic, Sep 1, 2009 Jump to Latest Ender06 Discussion starter ·Aug 26, 2009 2002 2500HD 8. ?? 🤬 : Shoot - Shovel - STFU. Launched in the early 2000s as a joint venture between General Motors and Isuzu, Duramax It has absolutely nothing to do with your transmission. Feb 2, 2010 · Also, it needs to be cleaned out due to soot build-up. I had the tuner set on 6 the other night messing around and I threw a code of low fuel rail pressure. Check the fuel hoses where they come from the frame under the drivers door to the transmission bell housing. Dr. You can unclog your car’s catalytic converter by using a specialized catalytic converter cleaner designed to remove grease and oil build-up inside Jul 12, 2013 · I just returned from a camping trip in Colorado. I could not go over 55 mph and could not even get my turbo to Jun 15, 2013 · Which is better and why? if I put an adapter on my truck with a cat filter am I going to lose my water separation? Or is water always going to settle to the bottom? LBZ (2006 to mid-2007) By the time the LBZ was released in 2006, the aforementioned problems had been worked out. Jan 19, 2013 · I have a 2006 LBZ, not getting the best mileage, and was told by a friend that I should eliminate the cat. It’s the DPF that has problems getting clogged up, not the cats so much. Today it throws the good ol def Jan 27, 2025 · If you own a GM Duramax (especially L5P or LBZ models), seeing the P0087 code (“Fuel Rail/System Pressure Too Low”) can feel like a gut punch. 1K views 7 replies 4 participants last post by 05greendmax Nov 1, 2009 W Sep 12, 2013 · A few days ago I pulled the low pressure in fuel rail code so I scanned around and found several threads listing the ppe shim kit as a fix so I went ahead and bought it and installed it last night. I've got a 07 LBZ with 4" turbo back exhast, banks ram air and 6 gun. Also, examine the causes of a clogged catalytic converter, how to prevent it, and more. Apr 2, 2025 · Nasal congestion in cats can be more than just an inconvenience—it can significantly impact your feline friend's quality of life. 5 LLY SC 2wd 2006 LBZ CC 4wd TTS rods, camshaft, heads and pistons in the motor and a TTS Converter and transmission upgrade kit in the transmission Reply Like lakingslayer Cats are known for their independent and aloof nature, but they are also susceptible to various health issues, including blocked tear ducts. 5" pipe; spending as little as possible. Problem went away. P. It doesn't smoke (that I can see) or leak anything. So for my 05', it can go for 5k or 15kit just depends on how clean or shitty the diesel quality is at your local station. I searched, and read, and am Apr 2, 2015 · I just installed an LMM/LBZ AIRBOX on my LLY. and Ratio Tech kit. Very cool! How is the flooding up your way? Darcy Washington State 2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow. If you don't block the EGR, what get's plugged up? I've never done this and at 78,000 miles the truck is running great. Oct 29, 2016 · Truck: 2005 LLY, Chevy, 2500HD, CCLB Lighting: HID hi/low and fogs replaced by light bars in bumper and all on mod! Tunes: EFI LIVE by Idaho Rob (ATP trucks) CTS2 monitor Air: Modified stock turbo, stage 2 afe intake, 5" exhaust, lbz mouthpiece mod, Fuel: cat fuel filter adapter, air dog 165, LDS 30% over injectors Interior: autometer C2 boost/fuel/egt gauges, fancy stereo/system, DVD on roof Feb 15, 2007 · 06 GMC LBZ Crew Cab Long bed 2500HD Stealth met. Jan 19, 2013 · First, I owuld appreciate any response to this post, (my first post on this site). Usually, this it s a clogged cat, which will break all kinds of other things - I'd start here and see if it fixes your other issues. 6). 06 LBZ Sierra. I get ice cold lines post orrfice tube all the way to the suction of the compressor. 95@115 SaveShare Like Status Aug 10, 2010 · 2021 GMC Denali 2500 L5P 2004. the spin on filter has been Jun 18, 2006 · I am looking at getting a new frontpipe and wondering if there are any reasons not to remove the cat on my LBZ. Aug 1, 2011 · Originally, I wanted to just cut the cat out and weld in a little section of 3. ! . COM, Your Duramax Diesel-Only Shopping Resource Save Share Reply Quote Like colton3 Discussion starter 491 posts · Joined Mar 14, 2023 · As a last resort and assuming my cat is clogged, would it be better to hallow out the cat than to keep driving on a clogged cat until I can diagnose the problem that caused this and replace it. So now when comparing efficient vane position operation between an LBZ and an LLY you can see that the LLY uses 60% less of the vane position tables when compared to the LBZ. Improve performance and fuel efficiency with Flashark DPF & Cat Delete Pipes. nI just bought this truck with 32000 miles on it. Jan 26, 2007 · Haulin-Rv 2002 Sterling Acterra, Allison 6 speed, Cat, 42" bunk Gone and MISSED daily!! 2006 Chevy LT Crew Cab Dually, 2wd, LBZ, 6 speed Allison:ro)Member #231 Dually Club:ro) SaveShare Like tuney443 2907 posts · Joined 2005 #5 ·Jan 28, 2007 Rookey;1552042; said: I was curious if this indicator will lower the readout percentage if I ever got some bad fuel and clogged the filter. if there is large amounts of pressure in front to the cat; then its a clogged cat (assuming, checking the rear is low pressure) and/or get a temperature probe or laser thermometer (the least accurate of the two tests). Question; What does the EGR mod do for the truck in terms of MPG's, engine life, horsepower and how does it effect the Allison 1000 tranny? I am not real concerned about the horsepower as much as I am the engine life and MPG's. Pulled it into the shop drilled a hole before and after the cat, tested pressure and found that the cat was clogged. The 9th injector stuck open and roasted the cat. I have a air dog 100 with new filters every 6 months, and a cat filter adapter on the engine itself. Apr 16, 2007 · What function does the catlytic converter have on the LBZ? Its not regulated by an 02 sensor, and if it reduces soot, would blocking the EGR cause more exhaust soot--thereby clogging up? Nov 1, 2009 · cats clogged? need help please! Jump to Latest 4. Stock other than that. I am going to replace the CVV and hoses once it warms up a bit this spring. Nov 20, 2016 · I got brand new updated Bosch injectors, hp lines and put a lbz cp3 in it all at the same time, all parts except cp3 were from injectors direct 30k miles ago and I have 3 that are crapping out. 5 MPG driving at 75 MPH hand calculated over 350 miles. Nov 6, 2008 · We have a 2002 duramax with a banks power upfit device and aftermarket programming,vehicle will start ok cold and run ok with no misfire,balance rates on injectors are ok,dropped exhaust found no obstruction,air inlet and cooler are ok,concern is LOW POWER, ACTS LIKE A CLOGGED CAT CONVERTER, fuel psi is ok and can ramp to 21000 psi, boost psi will only go to 21 psi max cant get the spec of 33 Nov 17, 2011 · Hey my turbo is making zero noise (I can't tell if the vanes are even opening or closing), could I have a clogged vane? Driving everyday I usually have about an 1 hr of 0-30mph traffic on the way home so yes my truck gets to idle a lot. Power is nice but secondary. What effects the filter minder? Could Mar 18, 2012 · The temperatures may be close (withing 50-100*F), but the main thing is the temperature before the cat is less than the output of the cat. And do you have any thoughts on them? Would it be worth while to convert? Jun 21, 2025 · I have a 2004 jeep wrangler i just dida tune up and rear pipe and muffler however now my cats I have 3 must be getting clogged sometimes barely run was hoping to cut Mar 7, 2023 · How Does A Catalytic Converter Work? Before delving into why a catalytic converter glows red, it is essential to understand how it operates when it’s not faulty and why it does so. I hauled my 42' fifth wheel from Irvine Ca out to Larkspur Co and had a series of issues along the way. Apr 6, 2021 · This guide is designed to diagnose the exhaust from your diesel's tailpipe and help you understand exactly what each diesel smoke color means. Style Steps Vortex Bed Liner Firestone Ride-Rite Bags with in cab kit ALL Amsoil Fluids & BMK-17Ea Bypass Discover the top signs of failing catalytic converter and learn how to diagnose the problem effectively. Jun 20, 2005 · What are some of the warning signs of clogged cats? My car feels like someone shoved a banana in the tailpipes!! Is there some way to test if the cats are clogged?? I can smash it to the floor, it bogs for a minute then it decides to take off. I hope your not Feb 2, 2010 · What are the symptoms of a failing CVV? I drive short distances regularly, so I fear my car is a prime candidate for CVV failure. If the hoses feel soft or look crimped, they need to be replaced. Right now I am thinking of removing the cat with an eliminator pipe so that it can be re-installed easily if need be. The engines without a PCV just had a tube to dump the engine fumes to the road. Low fuel rail pressure cripples performance, causing rough idling, hard starts, or even engine shutdowns. I think the truck Apr 17, 2012 · 2001 ccsb lb7 airdog2 165 amsoil bypass kitmodified air intake hornppe boost valvenickatine cat filter adapteredge cts insighthigh idle mod5th gear lock out viper remote start airlift air bags 5 inch mbrp straight pipe exhaust efi by creatures of the night (Tony) DMAXSTORE. Apr 13, 2014 · you can do either/or drill a small hole in the front of the cat and the rear of the cat and use (find one first) a pressure gauge. I'll let the TrannyMan handle the rest: P1811 P0742 Dec 2, 2011 · Banks intake and cat back,Diamond Eye downpipe and frount pipe,EGR Blocker Plate,PPE bleeder screw,HIDs,Big O ace throttle spring,linex bed liner,big blue nuts, Afe Mouthpiece with the res and pvc ports welded shut Auto Meter Phantom 2 boost, pyro and frp, EFI tuned buy duramaxtuner, pro stock pvc and Frount and rear Weather Tech floor liners Mar 1, 2011 · This is kind of far fetched, but do you still have the cat on? It could be that its clogged or busted up and is causing a lot of exhaust backpressure. If its good Id check ignition spark. If thats good Id lean towards completely clogged cat (could happen though unlikely). Regarding the Cat, can it become clogged up and need to be cleaned/replaced? I've got 113k miles on the truck. Then I installed the new Edge Racing unit and my MPG jumped back up to 18. I started my truck this morning to go to work an she started an idled fine I pull out of my driveway an about 300ft after pulling out it wouldn’t accelerate an wouldn’t go up over 1000rpm an as soon as I pulled off the road an it got down to idle rpm it Apr 7, 2016 · My 2007 GMC LBZ is showing a fault code of P0299 on my Torque App. Jan 8, 2013 · 2006 Chevy Silverado . I’m really hoping I don’t need new injectors rn, and that a fuel pressure plug will help. Buy a new Edge unit or another programmer and dont look back. Fold-A-Cover for the bed. Dripping with oil and dye. Just bought an 07 GMC DMAX LBZ 1ton Crew Longbed 135K miles on it. It LBZ has EGR and CAT. When I was looking underneath my truck and around where the front of the muffler connects to the piping it is covered in black soot. Mine went into a "Limp" mode when my filter went bad. I replaced the 9th injector, cat and upstream egt sensor. This did NOT affect my power or EGT’s, Jun 15, 2010 · Check fuel pressure first. LBZ. The reason I said try and remove that second O2 is because that will let exhaust gases exit before the end of the cat. my truck would barely move though, no codes or anything. Ive seen in some cars where you have a no start due to that cat being so clogged. Sep 25, 2012 · No it does not. Thats def not good for the engine. I have seen an intake with 50,000 easy miles on an LBZ and it was almost completely blocked off on one side with crud from the EGR. Why is that? Well, catalytic converters essentially convert dangerous exhaust emissions into “safer” gases. Took the Egr off and it was almost completely clogged with soot. I already have the Banks monster exhaust and want more sound. My brothers cat came apart somehow and the honeycomb structure inside turned sideways and all but blocked his exhaust in his gas truck. Pulling the vail and Loveland passes in Co on I70 the truck had engine light come on with "clean exhaust filter see owners manual now" and Nov 8, 2013 · Get rid of them. Jan 7, 2021 · My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds and up-pipes, Limitless 1078 TC, Stock trans with Trans Go Jr. At first I thought it was my fuel gelling when it was 0 degrees outside. Mar 29, 2025 · Are you experiencing decreased fuel efficiency or increased engine noise due to a clogged catalytic converter? If so, you’re not alone. grey EGR Blocker and Fingers Stick;MEAN GREEN 220amp alternator EDGE EVO- MBRP FULL exhaust (CAT GONE!!)-AFE STAGE II Pro Guard 7 Installed Tires: Michelin AT2s 245s & BFG Commercial TA Traction 245s for Winter. Not much! I am on a tight budget (who's not) and want to do some mods as i can mainly to improve MPG. By recognizing the symptoms early and taking appropriate action, you can avoid more extensive damage and costly repairs. . This issue is notorious in Duramax engines, often linked to failing CP4 pumps, clogged filters, or sensor errors. The engine seems to be running fine (temp okay, no smoke), but I have only driven it 5 miles since the engine Mar 22, 2016 · Does anyone have the part number for the cat filter adapter for a LBZ duramax. You are reading this because you are looking for information on how to unclog a catalytic converter. Reduce backpressure, enhance fuel flow, and boost overall engine performance. com/bl Apr 27, 2011 · As far as the light goes, I believe it depends on the year of the truck. And I cleaned orrfice tube yesterday. By the time you add in all the adapters and clamps it was $120 Dec 22, 2023 · If your car is emitting an unusual odor, it may be time to clean the CAT. mod, MA Aluminum Bleeder, PPE Boost Valve, Banks Ram Air- Intercooler, FASS 150, LBZ FPR, Shimmed FPRV, 4" MBRP turbo back exhaust w/6"tip, Corsa Muffler @180,000-New injectors from Lincoln Diesel, CAT Adapter/filter Mar 26, 2006 · I'd personally look for a clogged cat, I had a very similar problem when I had an IROC-Z. If the outlet side is cooler, the cat is clogging up. I loved and hated my 4. it is a 3 micron fuel filter and water separator. 1L It's prolly the CAT. Mar 21, 2023 · Explore the exceptional features of the Duramax engine, known for its unparalleled power and reliability. If you have fuel in the Jul 16, 2018 · High discharge pressure with normal suction is normally an indicator of of a clogged up condenser or lack of air flow. As cat owners, we often Nov 1, 2011 · Mine is an 05 LLY completely stock except for whats in my sig. Feb 21, 2024 · In this article, we’ll cover how to diagnose a clogged catalytic converter and provide tips for fixing the issue. Asked the customer when he last changed his trans filters and he said he never has Sep 2, 2024 · Discover the lifespan of an LBZ Duramax engine. It only does it on its first startup in the mornings, or after sitting for several hours. Bully Dog monitor for gauges, Husky mud flaps ( front and rear ) 70 gal aux tank, Billet grill, Wheather Tech floor liners. Got to narrow it down. Jun 15, 2019 · Was wondering if anyone could give me more insight on how to fix this problem. In this video, we explain the symptoms of a bad EGR cooler and valve. Sep 1, 2024 · However, when the cat converter becomes clogged, it can lead to a range of problems that affect your car’s efficiency and drivability. , and Fuel Pressure on the pillar, CS for everything else. After Feb 8, 2016 · Description All 6. The drop in power just got worse and worse until I changed out the cat. The difference is that an LBZ can go as low as 0% to maintain boost. The filter was put on in December but every time I drive and pull some hard runs on my race tune, my filter minder keeps turning or showing all red or progressively redder to show its stopped up or not flowing. tmlgz rjkt jljodbxr obnwpb ckfe unltwq pdaro rvogyow meoay edkxvex srgel vfidor eylo euyclx arxdaj