Dec 4, 2017 · 18259 posts · Joined 2008. #5 · Dec 5, 2017. As you know the Duramax does not have a lift pump to push the fuel from the fuel tank to the engine, it uses the injection pump [CP3], to draw/suck the fuel from the fuel tank through all the fuel lines, filter, FICM and then into the CP3. So any small leak in the filter or fuel lines it will suck ...51 posts · Joined 2016. #1 · Mar 29, 2016. Ok so I been having this problem since winter started here by me and the only difference between this winter and last is I did a egr delete. OK so I been getting this clatter/knocking noise between 1500-2000 rpms. Like it's driving me up a wall that I can't figure it out.Feb 1, 2023 · GM only produced the Duramax LLY engine for a short time. It was almost identical to the LB7, with emissions control parts still absent. GM had resolved the injector problems by the time the LLY engine was released. Instead of injector problems, the LLY had overheating issues when driving in hot temperatures or towing heavy loads.Hi folks! I'm on a road trip and having intermittent problems with my 2004 LLY. It's throwing codes P0202, 0203, 0205, 0208, and P2149. I've spent a good bit of time searching the forum and have found the descriptions on the wire bundle that's zip tied to the alternator bracket. I've pulled these bundles apart and all of the wires appear fine.Duramax LML Engine Problems. CP4.2 Injection Pump Failure. DEF Heater Problems. NOx Sensor Failure. DEF Pump Failure. The buzzkill of the LML is the CP4.2 injection pump. Outside of this problem, there aren’t many major or costly common problems associated with the engine. Fortunately, there are some relatively simple ways to prevent these ...Boise, ID, USA. Dec 5, 2016. #8. aklbz said: You can test one by just plugging it in real quick and running it for a short time. Don't need fuel lines hooked up to test. Don't need the fuel lines hooked up ever :thumb: I've been running mine dry (no fuel lines connected) on the valve cover for 2 years & 20k+ miles now.The most common issues LLY owners encounter include decreased fuel mileage, overheating and poor turbo response. These symptoms result from the inlet mouthpiece of the Garrett turbocharger having to fit into a smaller engine space. The redesigned mouthpiece includes a sharp ridge that causes restricted and turbulent airflow and severely taxes ...2005 LLY CC/LB DRW 3500 4x4 Allison EGR blocked, fingered, FPRV shimmed .06" 2006 LBZ CC/SB 2500 4x4 Allison 1000 EGR delete/shaved up pipe, 3" Down 4" DP back, BD DRV exh mani, AD II 165, EFI, rock sliders, rear bumper and headache rack built by myself, FPRV shimmed .06" FS air bags, PPE tie rod sleeves, Cognito UCA's and keys, Fox 2.0 Remote Reservoir shocks, 285/75/16 MT/R's on Raceline ...Officially owned the Duramax for 1 year. Todays video we look at the problems i have had to fix as well as some updates as where it sits now!Thanks for watchingWhy can't they admit that they have a problem and fix it. They just don't want to look stupid for replacing the FICM four times when that wasn't the problem. ... 4WD -----Subject: LLY Intermittent SES/MIL Lamp Illuminated, Reduced Engine Power, Fuel Injector Driver Circuit DTCs P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, Cylinder ...15 posts · Joined 2014. #1 · Apr 16, 2015. I have a 2005 duramax LLY with 243,XXX miles that has been having a loud rapping noise coming from cylinder 8 with a balance rate between +3.5 and +6.5. I assumed that the injector was failing after running bottle after bottle of cleaner with little to no improvement and all the other cylinder were ...Problems With Your SSN - SSN problems includes the wide sharing of Social Security numbers by businesses. Learn about SSN problems and how Social Security number problems are avoid...Remove the turbo 'mouthpiece'. Remove the intake downpipe that has the two O-Rings. Pull the fuel line, that is in the way, up and wire tire it out of the way - no disconnection needed for it. Plug turbo inlet and intake inlet. Clean the FPR with any good cleaner - brake clean or electronics cleaner and blow dry.Jan 19, 2018 · The Duramax LLY is a favorite for many diesel fans but it has its issues, like overheating problems related to a poorly designed air intake from the manufact...The solution to a multiplication problem is called the “product.” For example, the product of 2 and 3 is 6. When the word “product” appears in a mathematical word problem, it is a ...First I doubt that the lower hose was loose-- most likely the water pump-- Common problem considering the age and miles. Also many of the LLY engines are having leaking head gaskets-- fill the coolant, bleed out the air at the bleeder screw-(Small bolt where the top radiator hose/pipe connects to the engine).Duramax LLY problem Hey, I just filed Lemon Law remedy on my 2005 Kodiak 5500 with the Duramax LLY. It has been in the shop 5 times in 30 days for fuel pressure problems and going into limp mode. Also lost cruise control indicator light on dash. Nothing makes sense. Dealership replaced injector pump, and it failed 45 miles later, back in limp ...1 post · Joined 2014. #1 · Oct 3, 2014. 01 LB7, only non stock is air intake.I was pulling an average size boat when I got a check engine light and lost power. I could ease it up to 50 mph but if I pushed it then back down to no power. Pulled into a parts store,changed fuel filter and they analyzed it. Said it was the fuel pressure regulator.The LML was the biggest overhaul Duramax had done to the 6.6L diesel, using 60% new parts. It received major changes to the block, rod, pistons, emissions equipment and fueling system.. The big engine changes to the block and internal components led to a stronger and more durable engine, but the new fueling system and emissions equipment plagued the LML with problems.2006 LLY with some miles-EFI Live(Best Investment Ever!!!!)-Turbo-Back RBP 4" with no muffler and my cat ran away:rof-limo tinted windows all the way around except winsheild ... I have a similar problem and have had it since day ONE. No leaks. Serpentine belt is fine. 80K mile. 2005 3500, SRW, 4x4, crewcab.The LLY has a Variable Geometry Turbo. Boost is controlled by the Turbo Vanes. You can check that your vanes are cycling properly with a good monitor like an Edge CTS2. 2005 GMC Sierra 2500HD SLT 4X4 CCSB Silver Birch Metallic /. 6.6 Duramax / 5 Speed Allison 1000 /. S&B Turbo Inlet Mouthpiece /. 4" MBRP Exhaust With Muffler / Trail Ridge ...1:30. Eli Lilly & Co. ’s blockbuster diabetes drug Mounjaro, which is commonly used off-label for weight loss, is again in short supply due to increased demand. There will be limited ...67.7K subscribers. Subscribed. 2K. 145K views 6 years ago. The Duramax LLY is a favorite for many diesel fans but it has its issues, like overheating problems …These codes indicate the following: U-0105: This code indicates lost communication with your FICM. P0611: This code indicates a non-voltage modified FICM. It means the relay system is experiencing internal issues. P0335: The code indicates the CPK circuit is faulty. P0340: The code indicates the CPM circuit is faulty.I'm having the same problem. GM discontinued, but remans will be out October-November. In the mean time, she's dead in the water. ... 2005 GMC 2500HD LLY CCSB 4X4 6" Fabtech lift, aFe cold air intake, aFe 4" exhaust, 62 gallon S&B fuel tank, Kennedy dual lift pumps, Escalade touch screen navigation, 6 CD changer, Kennedy tune, Edge Insight ...INDIANAPOLIS, Feb. 6, 2024 /PRNewswire/ -- Eli Lilly and Company (NYSE: LLY) today announced its financial results for the fourth quarter of 2023. "2023 was a year of tremendous ... regulatory compliance problems or government investigations; actual or perceived deviation from environmental-, social-, or governance-related requirements or ...Injectors don't give trouble like the LB7, but they do have a connection problem, and that is a easy fix with an ice pick. The fault code will tell you which cylinder is having problems. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed ...Water pump may have been the first sign. These are somewhat common so no suprise, but with the increased pressure from a possible head gasket problem, it can cause havoc on the cooling system, water pump seals may have been pushed out. As for bleeding the system, with the truck on level ground and at ambient temp, remove the screw with the cap off.On lly | Chevy and GMC Duramax Diesel Forum. Turbo problems? On lly. I have a 2005 lly with 198k on it I recently as of 3 days ago just finished headgaskets and studs on it. The first start up my truck sounded awesome turbo was spoiling and the truck just had a sweet duramax sound after I took it home I noticed a fuel leak at the car wash …05 ext cab lly. 6" fabtech suspension lift. 38x13.5r20 toyo open country. muffler delete. dual 4" mbrp exhaust. afe turbo inlet. k&n intake. EFI live dsp5.suncoast stage Iv trans. precision industries torque converter. transfer case brace. pump rub prevention plate. AD 150.LLY 3 inch downpipe fitment problems. I did a full egr delete in my 05 LLY. Upgraded LB7 up-pipe, solid y brige, upgraded turbo mouthpiece, 5 inch turbo back exhaust and 3 inch downpipe. The upgraded up-pipe is wider than the original so it makes it real tight. They anticipated that somewhat and flattened a portion of it.LLY glow plug controller FIXED (the dreaded U0106 code) It seems that a lot of ‘04.5-‘05 LLY Duramax trucks are having similar problems with the glow plug controller, so I wanted to post the problem and the solution for others who may be going through the frustration that I had to go through. Last summer, I was towing my camp trailer home ...Problems for new businesses range from marketing mistakes to financial miscalculation. Read our list of the 10 most common problems for new businesses. Advertisement Every busy dow...2005 lly head gasket problems? Jump to Latest Follow ... (LLY), Ext. Cab, Long Bed engineer837 aux rad, TxC CAI, LBZ MP, Scangauge II, Nicktane aux filter head, KD lift pump, 2008 PS pump, 2011 hydroboost, Frederico Swaybars, Rancho 9000XL, Torklift StableLoads, BFG AT/KO2, Lance 835 Camper often in the bed. ...2004.5 2500HD CC SB Silver Birch LT 4wd LLY/Ally Back and better than ever thanks to Mark & Larry at Danville Performance, Eric & Nick at Merchant's, and Caleb at Blackout Performance, 2.6 class puller. 2004.5 3500 CC Dually Arrival Blue LT 4wd LLY/Ally Member #357 3500 Dually Club112 posts · Joined 2011. #1 · Oct 24, 2011. I've been losing prime below a quarter of a tank. So I rebuilt the filter head and it was all fine. I also installed a lift pump and put in a new fuel filter. The problem continues to happen, but only below a quarter of a tank. I can get it to run if i reprime the system and the low fuel light does ...May 13, 2014. 244. 1. 18. Blythe ca. Nov 27, 2016. #3. catman3126 said: let the pressure out when its cool, top the coolant off. drive it 30-40 miles and let it get hot, park it and checl the top radiator hose in the morning and see if its firm ike a tennis ball. if so pretty good chance your gaskets are done. time for studs.1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected the …37. Clearville, Pa. Jul 19, 2012. #1. A friends LLY is losing fuel pressure. He just recently changed the fuel filter thinking that was the problem. But it didnt fix the issue. He said his rail pressure is around 17,000. Not sure if that was at wide open throttle or nt.PBkid. 29 posts · Joined 2010. #5 · Sep 28, 2010. This seems to be a all to common problem with the LLY, I had the same problem while towing on hard pull. Replaced the fuel filter hand pump houseing and also fuel filter and the rubber lines going to the FICM. It seems to run a lot better but have not tested it yet with toy hauler intow on grade.124 posts · Joined 2011. #6 · Feb 25, 2011. I'm having problems with mine, my truck is making clattering noises, so far i don't like edge products, especially if i'm not the only one having problems. 04.5 LLY 2500HD Duramax 120,000 miles Banks intake, 5" MBRP, AFE MP, AD II 165, Cognito w/ all the goodies, 325/65/18 Kelly's (35's), 6000K HID ...cherokeechief. 441 posts · Joined 2010. #4 · Jan 18, 2013. the abs module is a 2 piece unit. the metal block is the valves and ports, and then you have the electronic section. it does separate. the solenoids are in the electronic section, and the valves are in the metal block. could be the electronic section. if it was a valve you could have ...Starts fine, split second later it shuts down. Door locks and windows will not work and the key fob is not working. Removed and inspected all fuses under hood and in the dash. No issues found. Opened the bleeder screw on fuel filter and have fuel coming out when open. Checked battery voltage and getting 12.38.Once in awhile someone asks if they should buy an LLY (2004.5-2005). It's a GREAT truck with potentially BIG problems that must be handled. I usually say I recommend it only if you are mechanically inclined and willing to spend some time to fix/prevent the issues (overheating, injector wiring harness connectors, various wiring rub-throughs, head gaskets, etc.).2004.5 LLY Fuel Problems. LLY: Jump to Latest Follow ... 04.5-05 LLY's surge at idle some of the things that are common on them is you need a new FPR or search Ice pick. 07 Chevy Classic 2500HD 4x4 2LT LBZ CC/SB White Nasta Nerf Bars, Line-x, Rancho RS9000XL Shocks, Firestone air bags, Fold-a-cover, ...2004 GMC Duramax, 145,000 miles. Instrument cluster replaced about 95,000 miles ago. Problem then was speedo quit working. Problem now is entire dash does not come alive till I drive 30 seconnds or more, including auto door locks, seat belt light and all gauges. Almost like a bad ground or like the vehicle was started using the autostart ...15 posts · Joined 2014. #1 · Sep 18, 2018. Hey all, So l am having major issues with my harness in short. I had a head GM tech and fellow LLY owner look over my truck as I was only firing on 7 cylinders. Said he pulled on the harness and it started firing again below the AC lines. This was back in January. Decided against buying a new harness ...05silverado Discussion starter. 97 posts · Joined 2009. #1 · Jun 4, 2009. It's a 2005 LLY. It doesn't do it all of the time maybe once every couple of days. The starter will spin but not engage to crank the engine over. I put a new starter on and checked battery connections and tested batteries. It sounds like the teeth are trying to mesh but ...04.5 LLY crew cab, PPE program, custom air box, 4in. turbo back exhaust, boost controller,AND A CUSTOM MADE fLYWHEEL/FLEX PLATE (ONE PIECE). Save Share. ... Well, that leads me to believe that you have some bigger issues going on with your setup if you have broken 2 of our "billet" flexplates but if you trust your 3 bolt theory, ...Having problems with my LLY. Has 197xxx on it. Was having the usual problems where the truck would run like a tractor and practically stall out, ice picked all the connections and it got better. Now I have the problem only when I'm sitting in traffic and from there on out. Struggles to pull up hills and runs like junk.So with 15 lbs presure, and Dex-cool, the coolant will not boil until it reaches around 250 degrees. When you release the pressure in a hot engine, the coolant will boil and puke out coolant. Nascar engines run around 75 lbs pressure, but also must run straight water. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo ...After replacing that there still was no change the voltage was still running 13.6 to 13.8 making the injectors show anything from +/- 1.1 to 3.4. I tested all the power cables from battery to junction box, JB to alternator, JB to starter and passenger battery to starter. All voltage read 12.65 same as batteries.The LLY -- 04.5--05 years had a connection problem with the injectors, and a wear through on the FICM harness-- both an easy fix. Less common is some higher …Identifying Model-Specific Issues. Various Duramax models, such as the LLY, LBZ, and LMM, each come with their own set of common issues that could lead to limp mode. With the LLY, for instance, overheating can be a trigger due to inadequate airflow to the radiator—a specific problem prevalent in models from certain years.Of the first five generations of the Duramax (LB7, LLY, LBZ, LMM and LML), the LB7/LLY rod is the second lightest ever used. At 1,155 grams apiece, only the rods used in the LML ('11-'16) were lighter. However, just like the LB7, the rods are on borrowed time at any point beyond 600rwhp. A relatively high compression ratio when compared to ...2004 GMC Duramax, 145,000 miles. Instrument cluster replaced about 95,000 miles ago. Problem then was speedo quit working. Problem now is entire dash does not come alive till I drive 30 seconnds or more, including auto door locks, seat belt light and all gauges. Almost like a bad ground or like the vehicle was started using the autostart ...Overheating is a common problem for any engine, and it is the same for LLY Duramax. The Duramax LLY overheats when you stop and drive, like in traffic or if your vehicle carries a heavy load. The poor cooling system of Duramax LLY (2004-2005) is also responsible for overheating.. Aug 30, 2022 · CP3 Failure NightMare !!! He2006 - 2007 GM 6.6L LLY/LBZ Duramax; 2004.5 - 2005 GM 6.6L LL Having problems with my LLY. Has 197xxx on it. Was having the usual problems where the truck would run like a tractor and practically stall out, ice picked all the connections and it got better. Now I have the problem only when I'm sitting in traffic and from there on out. Struggles to pull up hills and runs like junk. Duramax Engine LLY 2004.5 to 2005. In terms of LLY injector pr LLY 3 inch downpipe fitment problems. I did a full egr delete in my 05 LLY. Upgraded LB7 up-pipe, solid y brige, upgraded turbo mouthpiece, 5 inch turbo back exhaust and 3 inch downpipe. The upgraded up-pipe is wider than the original so it makes it real tight. They anticipated that somewhat and flattened a portion of it. Lly fuel problems. Jump to Latest Follow 4K views 16 ...
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