Lly problems

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Nov 8, 2013 · 05 LLY 2500HD 4x4 silvermist metallic pcv reroute, Profab egr delete pipe,LBZ mouthpiece, 4" magnaflow exhaust with Profab 3" downpipe, Moonshine EfiLive switched w/Edge CTS, 20" American Outlaw buckshots on 275/60's, stock keys all the way down, rough country tie rod sleeves. --Drop shackles and a built tranny to come soon.May 20, 2022 · 1) Crank Start Issues. The most common problem these engines suffer from is an issue with the starter cranking but the engine failing to start. The cause of this issue is still really unknown and it affects virtually all of the trucks that use this engine. This problem only affects the LM2 and not the LZ0 versions of the engine.GMC C5500: 6.6L (LLY) fuel injection problems. I have a 2004 GMC C5500 with a 6.6L Duramax ( engine code 2 - LLY). The other day the it started running poorly with a check engine code (Misfire cylinder #2). I found a bad connection at the injector and replaced and fixed the drivability issues.

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2004.5 LLY Ext Cab 8' ~EFI, Fabtech 6" and much, much more.. SOLD. ... No codes, understand what your saying but seems to be a fuel problem. How can electrical stop it from priming? 2004.5 gmc 2500hd ccsb, afe mouth piece, efi live, fass 150 lift pump, shimmed fprv, 4" stainless exhaust, 3" down pipe, sdp erg delete, arp main and head studs ...SOLD--Chevy '05 LLY. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. S. ... I've not found the problem with my Baro Sensor reading yet. I've checked for resistance on all 3 circuits - Baro signal, 5-volt Reference, Low Reference - all show 0.0 ohms. And, I've checked all 3 circuits for a ground fault.Front end failures are one of the most common LLY Duramax problems. What Do I Need to Check Every Time I Service my Truck? Here’s a little checklist of things you need to do check time your perform maintenance on your LLY Duramax. Check all areas and components holding fluid or oil for leaks.LLY FICM - help needed. Jump to Latest Follow. 35K views 4 replies 3 participants last post by MTL_Dmax Jun 26, 2013. guga1979 Discussion starter. 385 …Discuss the second generation (2004.5-2005 LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion belongs in Third Generation forum due to the differences of the 2006 LLY and the 2004.5-2005 LLY. Engine related discussion ONLY.battlegraduate09 Discussion starter. 7344 posts · Joined 2010. #1 · Dec 8, 2011 (Edited) ANY ADVICE- LLY Electrical problem (UPDATE) Im going by the GM bulletin #03-08-50-014A looking for the source. Supposedly the wiring harness under the seat being pinched or chafed will cause my problmes-. *Various IPC warning indicators …LLY Electrical Problems? IDK. Jump to Latest Follow ... 2004.5 Silverado CCSB LLY Sinister EGR delete, S&B air box and up-sized S&B intake mouthpiece, ATP 5 stage tune - Edge CST w/ EGT and backup camera, 5" AFE Power full exhaust kit, Airlift 5000# bags w/ on-board remote compressor CopperHead Trans build for towing, Billet triple disk ...Running away has always seemed so much easier than facing the problems we have in life. We believe that, if we Running away has always seemed so much easier than facing the problem...Hey i have a 2004.5 lly duramax. I just got it a week ago. This is my first time owning a diesel. Which I'll never go back, lol. My problem is the truck surges at idle. Watching the fuel pressure at idle stays around 5200psi and when it surges up goes to around 9000psi. It's up and down about every 15 seconds. And you can also feel it at a slow ...Dec 7, 2012 · codes (But NO CEL): P0671, P0675, P0677 - Glow plug 1, 5 and 7. Ohm'd all 4 on the passenger side with known codes for 1, 5, and 7 being the bad GlowPlugs. I tested them in the block by removing the wire to each of them and running test leads from block to the lead on the GP on the 0.00 (20k) setting.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.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.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 ...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 ...Apr 12, 2017. #6. Possible y bridge elbow. I purchased and EGR delete pipe for my truck. 05 LLY Kory Willis Tuner, New Alum Mouthpiece, Cat Con Delete And. Dr. Sadler Twister Injectors with flow matched Injector Pump. The first time I got on it the aluminum elbow blew out of the y bridge.Aug 5, 2020 · 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.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.2004.5 Chevy cc/sb lly/ally 4x4 LT sled puller EFI,Tuning by Blackout Performance 2004 GMC 2500 4x4 cc/sb slt ... if it does it's a code problem. 2004.5 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. Save Share. Like. D. DURAtotheMAX Discussion ...The sharp corner of the bracket it is tied down to, cuts into the wires and causes shorts. This may not always throw a code. Insulate with a piece of heater hose, to prevent further problems. Common problem for a 4.5-- 5 LLY engine. Everyone with a LLY engine should do this easy fix NOW!2004 Silverado 2500HD 6.6 LLY Have read almost eveIn this video, Zach covers the background, s The 2006 LBZ and LLY models are known for their glow plug problems causing GM to recall them. Fuel system. While most known Duramax problems affect … very strange LLY problem. This is the only p 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, …If the engine is a LB7 they have known injector problems-- if it is a LLY- they have injector wiring problems that can be fixed very easy. 2004.5 LLY - EC-LB- LT - 64 gallon Aero tank, CAI, de-badged, fender vents, MikeL-6 spd-Transgo, tow mirrors, gauges- Putnam XDR, shell, BU camera, Cabin Filters, GPS, Bluetooth, Sirius, PPE, LBZ-MP, studs ... 13 posts · Joined 2012. #1 · Jun 21, 2013.

05 3500 ccdrw lly, complete lbz banks ram-air intake set-up with with super scoope, egr deleted profab intake elbow , diamond eye 4' duals , diamond eye down pipe and no kitty efi by full throttle customs , edge insight cts for gauges ,lbz mp. and fuildamper .pcv reroute,right and left side boost tubes, banks techi cooler ppe ported fitting ...LLY problems. Jump to Latest Follow ... 05 LLY 4" Volant front pipe to single 6" Black Stack, Home built GT3788r over s475, up pipes and pedistal, AirDog II, AEM Filter, custom 4link air ride suspension, DJM upper and lower control arms, Mcgaughys spindles, Raceline CR2s ...a friend of mine is have a problem with his LLY. it has a very rough idle and rattles badly. the truck is an 05 with 153,000mi on it, had its head gaskets replaced about 15,000mi ago. he says the problem came up all of a sudden, was running fine one day then bad the next. the only codes i could pull where P0202 and P2149. something with injector #2 voltage and control circuit. anybody got any ...cmyers106 Discussion starter. 5 posts · Joined 2023. #1 · Nov 4, 2023. I have a 2005 LLY that's having weird intermittent rough idle and intermittent surging. I recently changed the FPR (OEM Bosch) a few months ago and my desired FP is matching to actual pressure. When checking balance rates, at idle, all injectors intermittently go to 0 ...LLY Duramax Pros. The LLY Duramax engine is one of the most reliable diesel engines made by GM. It has been proven to last over 150,000 miles without major problems. The LLY Duramax has 310 horsepower and a whopping 605 lb/ft of torque at 1,600 RPM. This means that you can tow almost anything with this engine.

18259 posts · Joined 2008. #4 · Oct 17, 2015. Some vehicles have a problem with the starter not engaging into the flywheel while it is spinning. This causes a grinding sound, which can damage the starter drive, and the flywheel flexplate. Might pull the starter and inspect the flexplate. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up ...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 waste gated ...I did use a felpro gasket on the black tube with two 12mm studs that runs under the driver side head. We thought it fixed the issue, and it did fix 95% of my leak. Yet now I have a small leak which seems to be coming from the area that black tube that runs under the driver side exaust manifold. I think my head gaskets are fine bc the upper rad ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Jul 6, 2021 · LLY: 2004.5 – 2006. The LLY. Possible cause: 638 posts · Joined 2012. #1 · Jul 21, 2013. When I leave the driveway for the first time .

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 ...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.Especially with the new pressure sensor costing over $ 200. 05 LLY ccsb. EFI live, built trans, ARP head studs, batmo wheel, LML drivers manifold, sinister EGR delete, pcv reroute, FASS 150 Titanium, LBZ mouthpiece, S & B intake, 4"downpipe, 5" exhaust to dual 6" stacks, LMM cp3. Share.

As for the Duramax LLY engine fitted in the 2004 - 2005 Chevrolet Silverado, Hummer H1, and GMC Sierra HD, the most common problems that owners experience include overheating when towing and blown head gaskets. The LBZ is perhaps one of the most desired Duramax engines. It addressed the overheating and blown gasket issues that plague the LLY.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 ...

Head Gasket Failure. The head gasket problem is one of the c 2005 LLY AFE intake/6" procomp lift/extra rearleaf spring/4" straight pipe to 5" tip/35x12.50x17 Mickey Thompson MTZ /procomp wheels/airdog 150/lbz mp/pcv reroute/big air kit/sulastic shackles/ bilsteins 5100/reacon interior lights/frontier bullnose bumper/ lml manifold/kryptonite control arms/stage 2 frontend/efi by kory/edge insight/gmax 5 wit precision tc/cat adapter filter Step 1, change your fuel filter. Make sure it's fresh. Lack LLY air in fuel lines. Good morning,last weekend while u The LLY FICM is showing more and more as 'no longer available' and $1300 at some places that do still have them. Thats CRAZY. Having a good one on the shelf 'just in case' for only a couple hundred bucks just sounds smart to me. I spend more than that at the car wash every year for the thing. LoL. However, if you are looking to keep it stock, the LLY can 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 ...step by step of my LLY problem. Jump to Latest Follow 9K views 23 replies 8 participants last post by battlegraduate09 Apr 28, 2012. battlegraduate09 Discussion starter 7344 posts · Joined 2010 Add to quote; Only show this user #1 · Apr 17, 2012. ok last july i had an electrical problem come up. ... GM only produced the Duramax LLY engine for a short time. ItJul 24, 2009 · Most LLY overheating issues come from out west15 posts · Joined 2014. #1 · Apr 16, 2015 May 26, 2022 · 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.2004.5 Silverado 3500 SRW 4x4, D/A (LLY), Ext. Cab, Long Bed [-]TxC V2 aux radiator w/Fan (leaked after 12 yrs[/-] ), 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. Mar 19, 2024 · As for the Duramax LLY engine fitted in t Jun 10, 2013 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein ... 2004.5 GMC SLT 4X4 CCLB LLY Ally, some mystery stuff, trans[Dec 22, 2016 · Remove the return hose from the fuel pressure re05 LLY, HSP intake, Duramaxtuner Spade Jack, de Alright guys. Got a new to me 2004 duramax. LLY motor, just under 100,000 miles oke [1]:. Having some glow plug questions. It was 5 degrees yesterday morning. Glow plug light came on then right off when put in on position. Left the key in the on position for a few more seconds after glow plug light went away and started cranking.