The LLY Duramax engine is a reliable and powerful choice for diesel enthusiasts. Like any machine, it has its own common problems that can be addressed with the right knowledge and tools. Solutions are available for most of the LLY Duramax problems, from addressing injector issues to replacing worn-out components.Eli Lilly and Company (NYSE:LLY) tops the list for being the largest publicly traded biotech company. In addition to its work in diabetes, Eli Lilly (NYSE:LLY) is known for its clinical depression ...The LLY Duramax 6600 liter of the year 2004 is a transitional engine. It is the stage where the engine evolved to meet the stricter modern carbon emissions controls established in the United States of America. Duramax maintained the engine’s competitiveness in the market. The 6.6-liter engine abandoned the LB7‘s fixed geometry …Duramax LLY problems, limp mode& low coolant light warning. Tags duramax lly. ... A 2004.5 with a LLY duramax motor. It already has the EGR delete kit on it, and the silencer delete on the air intake boot off of the turbo. It also has a Bean machine lifter pump, with the fuel filters mointed on the side of the frame and lines coming straight ...LLY air in fuel lines. Good morning,last weekend while under my truck I noticed some of the steel fue lines were getting pretty rusty. I came in the house and started researching replacing them and many people said they had good results using Gates Barricade rub fuel hose. I ordered a roll of 3/8" and a roll of 1/2" with worm drive clamps.05 LLY problems. Jump to Latest Follow 14K views 30 replies 11 participants last post by 830king Dec 1, 2014. Blayze2010 Discussion starter 24 posts · Joined 2014 Add to quote; Only show this user #1 · Aug 20, 2014 (Edited) Ive ...LLY headgasket repair. 2005 LLY truck w/EGR delete, had blown head gaskets, I removed the heads and had the heads shaved .05 and checked for cracks by a reputable diesel machine shop, head gasket tabs properly aligned, ARP studs, and heads tightened using correct torque sequence and torque. When I started the engine, it runs great, but has a ...Transfer case output shaft play/slop! Copy and paste from another forum.. I know, I did search it like crazy, and only found 2 post where they had this issue. I noticed a noise under the truck, climb under and could push up and down on the drive shaft at the transfer case and had movement. As I would push up, I could hear a "tap" "tap" inside ...Pull the pass side inner fender. Get it hot and look at the back of the motor and see if you can see where the coolant is coming from. I'm putting head gaskets in my lbz now because of this. The gasket was blows between the #7 cyl and the Coolant passage and also from the coolant passage to the external part of the head.The problem the guys have found out is the gm put on a too small of a rad, this second one will do the trick! 2004.5 LLY, 4" turbo back magnaflow exauste, AFE blade runner (blades hoaned out) MP, DIY CAI, Edge juice w/ CTS monitor, B&W turnover gooseneck hitch, 285 75R 16's, nose shroud & stack seal.P0101 mass air flow out of range. P0102 mass air flow signal low. P0401 insuffiecient egr flow detector. P0700 trans control system fault. P0113 intake air temp circuit signal high. P0299 turbo or super charger under boost. After driving 2 blocks light is back on. Check codes and P0101 and P0299 reappeared.Dec 28, 2011 · The 04.5 LLY and 05 LLY are known to have an extremely restrictive factory turbo inlet mouthpiece and most owners upgrade this piece. If you do an intake upgrade, don't leave the stock mouthpiece on the turbo. Clean your engine bay and keep an eye on your intercooler, boots, and clamps.The All Season bridge is one to check out too... It's nice and fits really well. LBZ-LMM Super Hi Flow Intake Bridge - $439.00 : All Season Diesel Performance, Your Duramax diesel performance headquarters by Tony Burkhard owner of the Dirty Hooker. This is the one for the LLY from All Season: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.My buddy is having some problems with his 05 lly. Codes are po300 random cylinder misfire, po301 #1 misfire,po304 #4 misfire, po306 #6 misfire, po307 #7 misfire. It will randomly throw these codes and only run on 4 cylinders. It sounds like a little 3 cylinder tractor when this happens. It is random-does it cold or hot.Can't wait to find out the actual problem and resolution. Reactions: 07LbzDually. S. S Phinney Active member. Aug 15, 2008 4,011 18 28 Quncy, Fl. May 2, 2022 #14 ... LLY. About us. Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find.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, ...2005 Silverado K2500HD ECLB LT (LLY) (SOLD) 2003 Silverado 2500HD ECSB 6.0l/4L80e 2000 Pontiac Grand Am GT Member #1063 3500 Dually Club:thumb: ... EGR and or MAF problems or intake leaks after the MAF sensor. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. AirLift LoadLifter 7500 XL2004 Gmc Duramax lly magnaflow exaust, exaust brake, air raid intake Rancho 4" lift, air ride bags. 35" procomp tires. motto rims, Mag-Hytec Rear Diff Cover ... Discovering the actual problem is the hardest part, doing the actual fix is usually easy. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck ...Ok so I just bought a real clean 2005 Duramax. It has 194xxx. Lifted 6inches with 35's. No chip or programmer, although the guy I bought it from had a PPE on in before I bought it. Had it now for a few weeks, and has ran like a champ. No problems to speak of. Just this morning I drove it to work and it ran fine. Parked it on a level service.These problems seem to happen even more when the weather is hot vs cold, at least by my estimation. Maggie said: So my husband drives a 2004 Lly Chevy Duramax where we live it gets below 30 at night his truck has been cranking but won't start unless someone is priming the truck while he turns the key.Largest investment in active pharmaceutical ingredient manufacturing of synthetic medicines in U.S. history. Since 2020, the company has committed more than $18 billion to build, upgrade and acquire facilities in the U.S. and Europe . INDIANAPOLIS, May 24, 2024 /PRNewswire/ -- Eli Lilly and Company (NYSE: LLY) announced today that it has more than doubled its investment in its Lebanon, Indiana ...My 04.5 LLY has been having some issues lately, white smoke when at stop sign, Low Coolant light, Stuttering when in gear idling, hard coolant hose after sitting overnight, loss of coolant, coolant overflow, etc etc. My first thoughts was a bad head gasket, but Im starting to lean towards a bad EGR cooler.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. ...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Performance Parts Discussion. Bully Dog tuner problem. Tags bullydog tuner tuning. Jump to Latest Follow ... Has anybody Had this problem if so pls help or give other possible options! Save Share. Like.Dec 4, 2019 · Instead, many LLY Duramax problems stem from overheating. A new variable vane turbocharger and an EGR system were also added. Check out our LLY Duramax Specifications chart below for detailed information! 6.6L LLY Duramax . The LLY Duramax was produced from 2004 to 2006, before it was eventually replaced by the LBZ Duramax. It was a stepping ...Moved to LLY for more help Here is how the system is wired-- this will help you diagnose the problem. Go buy a 12 volt test light. You turn the ignition switch to start-that sends power to the 10 amp crank fuse [left dash fuse box] to power to the purple/w wire to the NSBU switch at the trans-- and then up to the under hood starter relay.Try to prime the truck using the fuel filter pump. Crack the bleeder screw and pump it until fuel starts to come out and there is no more air. Once its pure fuel, stop priming the pump and tighten the screw. Push on the primer. (it should be hard) If it doesn't get hard you may have to rebuild the fuel filter housing. Justin.I love my LLY but another problem alot of ppl have had is a bad connection with the number 2 and 7 injector harnesses. When i started having problems with them it went into limp mode and sounded horrible. ... 05 LLY CCSB, AFE Stage 2 CAI, AFE turbo MP, PCV reroute, blocked+fingerstick, shimmed, sleeved, resonator delete, Juice+attitude, Edge ...LLY air in fuel lines. Good morning,last weekend while under my truck I noticed some of the steel fue lines were getting pretty rusty. I came in the house and started researching replacing them and many people said they had good results using Gates Barricade rub fuel hose. I ordered a roll of 3/8" and a roll of 1/2" with worm drive clamps.After six weeks, I'm really getting creative in my search for the problem(s). Additional ideas will be greatly appreciated. 2005 LLY 2500 HD, pretty much stock. 337K Miles Use the old style Superchip programmer, ... All stock LLY except LBZ MP, egr blocker w/ fingerstick, PCV re-route and a 4" magnaflow exhaust combined w/ a MBRP cat delete ...This category is dedicated to the GM Duramax LLY 6.6L diesel engine in Silverado and Sierra 2500/3500 trucks. Our Duramax LLY content includes articles such as the best LLY performance upgrades and the most common engine problems. Duramax diesels are a big focus for the ChevyTrucks team, so check back for more unique, insightful LLY guides.The v2 is an extra radiator that fits behind the bumper and between the frame rails to provide additional cooling. Some including myself have found that when pulling heavy high wind drag loads the lly can overheat. The v2 works awesome and made my truck a joy to pull with again. 04 lly 2500 4 door shortbox 4x4.Identifying Problems Early and Bulletproofing 2004-2006 Chevy HD/GMC Diesel HD Trucks . The LLY Duramax engine found on 2004-2006 Chevrolet/GMC HD trucks is the second generation of the Duramax line. It can last hundreds of thousands of miles, but it still has its fair share of issues.1,407.84. +1.04%. Find the latest Eli Lilly and Company (LLY) stock quote, history, news and other vital information to help you with your stock trading and investing.Jul 19, 2012 · 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.638 posts · Joined 2012. #1 · Jul 21, 2013. When I leave the driveway for the first time of the day, the accelerator pedal goes dead for a second. It kinda lunges forward a little and them won't accelerate until I let off and the back on again. I'm only giving it about 5% throttlle and it only does it the one time (until it has sat a long ...MOST electrical issues on GM trucks are due to bad grounds. also a bad ground can cause the resistance of the key system to drift and that could also immobilize the truck. If the truck is in theft lock, the relearn procedure is easy, but time consuming. put the key in with the truck on a charger, turn the key to on (not start, not accessory but ...anybody know a fix to when i try and download games and even with the screen on the ally on why it randomly disconnects from my wifi how can youy download games if it will just keep disconected i never had this problem before and i …Dealer wants over $2000 to fix this two-bit problem. I'm looking for a cheaper way or advice on if this can just be ignored. One fix is to rtv the charge air pipes to prevent the dripping. ... 2004.5 Silverado 3500 SRW 4x4, D/A (LLY), Ext. Cab, Long Bed engineer837 aux rad, TxC CAI, LBZ MP, Scangauge II, Nicktane aux filter head, KD lift pump ...P0672 = glow plug/heater #2. P0700 = trans cntrl malfunction. P0207 = ckt open injector #7. P0202 = ckt open injector #2. P0201 = ckt open injector #1. P0106 = map/baro ckt rng perform. P2564 = sensor A turbo low boost. P0698 = sensor c low voltage.The best response that I have found on here was that you might have a flat spot on the fly wheel and just every so often your starter hits it when starting. I guess I will just deal with it. 2005 2500HD LLY 6" RCD lift, 80h Injectors. EGR Blocked & unplugged, Edge juice/attitude. LBZ MP w/ Rick D. Lance 4'' intake.You two aren't the only ones; trust us. See what problems are common in marriage communication, plus how to resolve them, starting today. You can’t build a house without the founda...Sep 19, 2009. #1. Hey guys i have a 04.5 rc/lb lly with S&B intake and 4in MBRP front pipe back exhaust and im trying to tune with HP Tuners, here is my problem, ive had a guy helping me with my tunes, and every one has had the same problem, usually right around 55mph and decent throttle the truck goes into some sort of limp mode or reduced ...Turbo Inlet Manifold Problem. The LLY Duramax turbo inlet manifold is a part of the LLY …The LLY has major similarities to the LBZ that remain to be seen. Both engines have a similar displacement of 6.6 liters that acts as a housing to 32 valves. ... Trucks with the LLY Duramax engine have minimal injector problems that were previously witnessed in the LB7 vehicle engines. Apart from the L5P, the LLY can also be tuned to match the ...Front Diff Problems- Diagram. Jump to Latest Follow ... 2004.5 LLY Crew Cab, Deep marine blue Interior: 7" Clarion flip out deck with 2 10" Kicker subs powered by 1000W Kicker amp Exterior: 285/75/R17 Hankook AT's on rims. Fender flares. Aftermarket hood. Head and taillights. Custom rear full window decal.May 11, 2020 · Believe it or not, upgrading to a higher flowing turbo inlet manifold (also known as the mouth piece) solves most of the LLY’s infamous overheating problems—along with cooling off intake temps and EGT. The aftermarket version offered by S&B outflows the factory mouth piece by a whopping 78.6 percent. Needless to say, it’s an extremely ...CP3 Failure NightMare !!! Hello gentlemen, I'm looking for any advice please...., it seems I have a very rare situation with my DuraMax CP3 high pressure diesel injection fuel pump (s). I purchased a 2005 Chevrolet Kodiak C4500 / C4C042 LLY with 97,000 miles on it, about 5+ years ago, and the original CP3 went on it soon after, during a test ...LLY sputtering problem. I am new here so forgive me if I posted this in the wrong section. About 5 months ago my truck started to have a sort of misfire condition under easy acceleration. It only happens when it is around 1400-1800 rpm. Once it gets past that range it clears up and continues on just fine until it changes gears and hits that ...The FICM monitors the status of the ignition voltage circuits and the fuel injector command circuits. When a fuel injector circuit condition is detected by the FICM, all of the fuel injectors on the affected ignition voltage circuit will be disabled. If a circuit condition is detected on a fuel injector circuit for cylinders 1, 4, 6, or 7, DTCs ...LB7, LLY, LBZ, LMM, LML. This problem runs across the board through the 2016 models. Air gets trapped in the fuel lines, causing starvation issues. The lack of an electric low-pressure pump to move fuel to the injection pump is the culprit. Also, the fuel filter housing for the mechanical fuel pump is susceptible to cracking.In this video i have clearly explained about the accounting concepts with and simple problem and i entered those entries in tally erp9One you go through this...911 Problems Forum LLY losing coolant ... LLY losing coolant. Jump to Latest Follow 2K views 3 replies 4 participants last post by Toypuller Aug 16, 2009. M. maxedoutjimmy Discussion starter 1 post ...The LLY came with the largest turbo of any Duramax, but both the intake and exhaust side are highly restricted from the factory. ... solves most of the LLY’s infamous overheating problems—along with cooling off intake temps and EGT. The aftermarket version offered by S&B outflows the factory mouth piece by a whopping 78.6 percent. …112 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 ...J. jtanuis1218. 1 post · Joined 2013. #16 · Oct 1, 2013. Hi, just joined this forum, i have a 2005 gmc sierra 2500hd dmax i have changed both map and barometric pressure sensor. The baro sensor is on the driver side, there are 2 big computer plugs and there is a bracket right underneagh them, the baro sensor is under that bracket.LB7, LLY, LBZ, LMM, LML. This problem runs across the board through the 2016 models. Air gets trapped in the fuel lines, causing starvation issues. The lack of an electric low-pressure pump to move fuel to the injection pump is the culprit. Also, the fuel filter housing for the mechanical fuel pump is susceptible to cracking.2005 Silverado K2500HD ECLB LT (LLY) (SOLD) 2003 Silverado 2500HD ECSB 6.0l/4L80e 2000 Pontiac Grand Am GT Member #1063 3500 Dually Club:thumb: ... EGR and or MAF problems or intake leaks after the MAF sensor. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. AirLift LoadLifter 7500 XLMay 29, 2013 · The sharp corner of the FICM bracket cuts into the wire loom and the wires. Cut the zip tie and inspect the wires inside the plastic loom. Repair the wires as necessary-- Best to isolate the harness with a short piece of heater hose. Common problem with LLY engines. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep ...Are you having trouble with your Fitbit? Whether it’s not syncing, not tracking your steps, or just not working properly, we’ve got you covered. This guide will walk you through th...I had problems at 1000psi and it was high return rates on 2 injectors, i know that the injectors isnt such a big problem on you model but can still be that.. Test the balance rates ... 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 ...P0101 mass air flow out of range. P0102 mass air flow signal low. P0401 insuffiecient egr flow detector. P0700 trans control system fault. P0113 intake air temp circuit signal high. P0299 turbo or super charger under boost. After driving 2 blocks light is back on. Check codes and P0101 and P0299 reappeared.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.638 posts · Joined 2012. #1 · Jul 21, 2013. When I leave the driveway for the first time of the day, the accelerator pedal goes dead for a second. It kinda lunges forward a little and them won't accelerate until I let off and the back on again. I'm only giving it about 5% throttlle and it only does it the one time (until it has sat a long ...Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7’s: Crankshafts + connecting rods break at high hp.Duramax 2004.5 – 2005 LLY Problems: Overheating was also a problem with the second-generation LLY engines. The LLY engines were known for their restricting components. Overheating is exacerbated by the smaller radiator. It might also be due to a faulty water pump. An additional issue is the fuel pressure relief valve. In these engines, head ...My 04.5 LLY has been having some issues lately, white smoke when at stop sign, Low Coolant light, Stuttering when in gear idling, hard coolant hose after sitting overnight, loss of coolant, coolant overflow, etc etc. My first thoughts was a bad head gasket, but Im starting to lean towards a bad EGR cooler.Jun 23, 2020 · How often you should service your 6.6L LLY Duramax is going to depend on how much you use it, and what you use it for. Excessive idling, heavy towing, or off-roading will result in the need to perform service more regularly. You should follow the severe service schedule. If you tow mostly light loads or use the truck for mostly commuting, you ...jordan 05 lly cc sb 4x4, k&n on lbz intake, resonator plug, lbz mp, 4" silverline, pcv re-route, ported fuel rail fitting, egr delete tube, fprv shimmed, air dog ii 165, deep pan/filter lock, trans-go jr shift kit, syn blend trans fluid, ppe standard, h2 wheels wrapped in 295 graps, hid h/l/f all on, led plate lights, manual high idle, gatorback serp belt, torsion keys, tie rod sleeves, arp ...Duramax Engine LLY 2004.5 to 2005. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble …115 posts · Joined 2010. #4 · May 17, 2011. I would pull the cover off around the steering column and shifter follow the wires up to the ignition switch. There is a black plastic cover over the connections. Pop the cover and look at the terminals. I seen a bunch of them melted just enough to make it act weird.