- Update: undercarriage of truck soaked with diesel fuel... (4 replies)
- wont stay running (1 replies)
- Tci Torque converter (2 replies)
- First time replacing LB7 injectors (2 replies)
- VIN Check help please. (6 replies)
- Check engine light (2 replies)
- LB7 issue. Undercarriage of truck is soaked with diesel fuel. (10 replies)
- Are "Cadillac Tabs" worth it? (2 replies)
- One bad injector??? (3 replies)
- DEF Quality - Walmart Brand (1 replies)
- int. high pressure fuel pump (6 replies)
- Coolant leaking from overflow reservoir (4 replies)
- LBZ quit and wont start (3 replies)
- Light Smoke (21 replies)
- Losing Water (18 replies)
- Fuel Pressure Regulator Replaced (1 replies)
- Multiple issues at once (2 replies)
- New 4" exhaust (3 replies)
- 2006 to 2010 what the differences (3 replies)
- Replacing nsbs (5 replies)
- ECM Failed (2 replies)
- Air in fuel issue. (3 replies)
- TBO time between overhaul LLY (9 replies)
- Duramax Surging (4 replies)
- Problems with DPF at 120,000 miles (7 replies)
- My oil looks green! (4 replies)
- Limp mode after a long tow 2008 Duramax (7 replies)
- Turbo Problems (13 replies)
- 09 GMC Sierra (0 replies)
- Strange Occurence During Regen Cycle (1 replies)
- Limp Mode After A Long Idle (4 replies)
- 2002 loss of power (2 replies)
- Another Duramax "Reduced Power" Problem (5 replies)
- Coolant filter installation (4 replies)
- P2563 Codes (2 replies)
- What Fuel Additave To Use????? (7 replies)
- Two Cycle Oil In Fuel (3 replies)
- need advice on how to maintain my injectors (9 replies)
- LB7 Guru's Please help (27 replies)
- 2003 LB7 Coolant Loss (6 replies)
- Amplifier Hook Up? (3 replies)
- Toyshedmech (3 replies)
- Lbz questions (5 replies)
- Vin check please (1 replies)
- Electrical Charge (6 replies)
- P0045 code (2 replies)
- LLY Rough Idle (11 replies)
- Seat Belt Chime - How to Disable? (1 replies)
- Injector Failure (1 replies)
- 08 kodiak issues (1 replies)
- 05 chev 14 injectors replaced, need help/information (4 replies)
- Def (10 replies)
- Replacing Fuel Filter Issue (8 replies)
- LML Duramax Questions (26 replies)
- dead batteries (2 replies)
- difficulty disconnecting ECM (7 replies)
- 2005 K3500 LLY Low Coolant message (27 replies)
- Duramax is my 12th GM vehicle (5 replies)
- How to Injector replacement (2 replies)
- More Injector Problems (14 replies)
- Fuel Additive for 2013 6.6 (2 replies)
- Duramax vs Cummins 5.9 why... oh why? (5 replies)
- vin check (2 replies)
- Fuel Filter 2011 (1 replies)
- Seems common: p0401 and p0404 (12 replies)
- LML Exhaust Regeneration (55 replies)
- Exhaust Residue, LML (2 replies)
- Downpipe support (9 replies)
- Breaking in a 2013 durmax (1 replies)
- Towing Fuel Mileage (11 replies)
- 2013 duramax performance (2 replies)
- Loosing prime (12 replies)
- trans temp towing without winter front at 10f (3 replies)
- help fuel leak (3 replies)
- help overboost code for no reason (10 replies)
- P0108 code everytime I start the truck (3 replies)
- Do I need a new ECM??? (1 replies)
- LLY Engine Hours Reset (4 replies)
- LLY Mileage (4 replies)
- Exhaust brake (4 replies)
- 03 duramax 6.6.....plz help (5 replies)
- 2011 Duramax Fuel Filter Change (0 replies)
- 05 hiccup/cough while accelerating (5 replies)
- Plse advise on purchase of high miles Express (3 replies)
- 2004 duramax 1 ton (6 replies)
- Water pump replacement Mech. in Austin to San Antonio (17 replies)
- plastic pulley (5 replies)
- Did I make a $20k mistake? (6 replies)
- Injector #7 on an LB7 (3 replies)
- HELP LB7 limited to 2000 rpm (7 replies)
- I'm back! just bought an '04 DA LB7 (4 replies)
- Low power LB7 in a c 4500 lwb service body (5 replies)
- Loss of power and runs rough (14 replies)
- time for a new truck (2 replies)
- battery drain grimlin (4 replies)
- Question about Batteries (6 replies)
- LB7 Injectors (15 replies)
- Rubber fuel lines- LB7 (0 replies)
- Clicking when starting (2 replies)
- Fall lube service (6 replies)
- Fuel tank depth: changing from 14" to 24" (3 replies)
- Hour Meter reset (5 replies)
- Glow Plug #6 (1 replies)
- 2012 Faster Idle (3 replies)
- Bone stock 2009 LMM going the distance (3 replies)
- High Idle Question (7 replies)
- oil dripping from backside of LB7 (7 replies)
- Loud pop, no power, low coolant LLY (7 replies)
- my heater doesnt heat (5 replies)
- Finally I have my 02 Dmax running. (8 replies)
- Installing gauges (6 replies)
- Bosch injectors: new or remanufactured? (5 replies)
- K & N intake for LBZ ? (8 replies)
- '07 Duramax California Emissions ? (5 replies)
- EGR Code (1 replies)
- Buyer beware (16 replies)
- LesJ (8 replies)
- Need Help - Loud Knocking Noise (3 replies)
- Blown head gasket need help (1 replies)
- noisey duramax (7 replies)
- Modified Programming and performance equipment under close scrutiny... (2 replies)
- Anybody heard of Real Diesel in NC (7 replies)
- injectors (3 replies)
- 2003 fuel injectors (2 replies)
- Adding cruise control to an 05 LLY (8 replies)
- what is the EDU 1 fuse ? (9 replies)
- Died and won't start blown fues?? (2 replies)
- In Search of Reliable Electronics (3 replies)
- Electrical (2 replies)
- new owner (6 replies)
- oil pressure wandering @ idle (5 replies)
- New Member - GM Customer Service (3 replies)
- P0102 Code (9 replies)
- Check Engine light (8 replies)
- Firing Order (1 replies)
- how to charge batteries? (7 replies)
- Duramax 6600 - Low Power (35 replies)
- New 2013 Silverados (2 replies)
- No Oil Pressure (1 replies)
- GMPARTSDIRECT Injectors? (3 replies)
- Hiccup At Idle (2 replies)
- Good News on Injectors (8 replies)
- injector knocking (4 replies)
- still getting hot (15 replies)
- Cooling leak (3 replies)
- Electric fuel pump?? (1 replies)
- Temperature spike on my '05 LLY (11 replies)
- Another smoke question. (6 replies)
- Scan tool (6 replies)
- Replace Duramax Fuel Filter (7 replies)
- Potential issues with Edge / Juice module 2004.5 LLY (5 replies)
- 2003 2500HD won't turn over...any ideas? (2 replies)
- cat nicktane ff adapter questions (8 replies)
- LML trip report (2 replies)
- LB7 fuel in oil (10 replies)
- Fuel pressure question (2 replies)
- Another leak found. What are these lines? (7 replies)
- Buying a used GM (4 replies)
- injector cleaner additives- worth it? (2 replies)
- fuel in oil??? (2 replies)
- VIN Check (5 replies)
- Serpentine Belt (8 replies)
- 2007 6.6 Topkick Repair Manual (4 replies)
- LB7 head gaskets and injectors change (2 replies)
- Why no coolant filter? (2 replies)
- Duramax Knocking (8 replies)
- lb7 oil leak (1 replies)
- Need help identifying where oil is coming from (4 replies)
- EGR Help (2 replies)
- mechanical dummy needs help (2 replies)
- Furnace oil (7 replies)
- Realistic Fuel Mileage with a tuner (3 replies)
- Late model fuel system failures (problems) ref to 6.7 Ford (0 replies)
- Mileage burning #1 vs. #2 diesel (6 replies)
- 100k once again (5 replies)
- How long is too long to let my truck sit (2 replies)
- Belt broke, forced to limp home...help. (9 replies)
- Short Oil Life (2 replies)
- Best Oil (2 replies)
- CAI installed now instant fuel economy not working (1 replies)
- LB7 Today wont start (8 replies)
- Stock engine braking (3 replies)
- Newbie looking for 02' LB7 info. (4 replies)
- smoky 6.6 duramax (7 replies)
- Newbie Question: Oil and Fuel Filter Changes? (1 replies)
- Check Engine Light (12 replies)
- Injector questions (6 replies)
- Batteries & parasitic draw...? (12 replies)
- Shelf life of FPPF (4 replies)
- Fuel Rail Pressures??? (7 replies)
- exhaust system upgrades (1 replies)
- Traded in old for new(er) (5 replies)
- Purchased 2005 DMAX truck; Any recommendations for long life? (2 replies)
- Fan for 05 Duramax (3 replies)
- Injector pump problems or not????? (6 replies)
- my 2012 to be built (2 replies)
- Need help with P003A & P2563 codes (2 replies)
- Dino or Synthetic Oil in my 2009 (8 replies)
- Using Some Oil (10 replies)
- P0641 code (4 replies)
- Removing an LLY injector... need help! (3 replies)
- Help with starting/ shutoff issues (1 replies)
- Removing the turbocharger from an LLY (3 replies)
- coolant leak (2 replies)
- Engine shut down ? (4 replies)
- Reman vs. new injectors (7 replies)
- Wandering Coolant Temperature (5 replies)
- Is catalytic converter necessary on 2001 in Arizona? (5 replies)
- 2007.5 LMM Engine temp Towing in Mountains... clutch?? (6 replies)
- LMM 2007.5 2500hd broken exhaust bolts question. (2 replies)
- Ingector Fears (39 replies)
- Which head gasket? (1 replies)
- Coolant change - '07 LBZ 4X4 (4 replies)
- coolant leak (4 replies)
- Passenger side rattle/vibration-not the downpipe bracket (1 replies)
- tech advice (3 replies)
- Smoking 04 LLY (6 replies)
- LLY Injector #2 and #7 Service Bulletin (2 replies)
- Where do you dump the Dexcool? (4 replies)
- Exhaust Brake, Which One? (4 replies)
- Another NAPA (...crappa!) filter rant (8 replies)
- Radiater drain cock (2 replies)
- A new source of oil production..... (13 replies)
- sudden knock (10 replies)
- new to forum: what will happen if....? (4 replies)
- Parts list for 2005 LLY head gaskets replacement (1 replies)
- Valve cover sealant question (4 replies)
- DEF poor quality (3 replies)
- Parts list for injectors (1 replies)
- First Duramax (10 replies)
- Had Bad is exhaust Reburn for my 6.6 (1 replies)
- Random coolant puking (6 replies)
- Complete LLY Replacement (3 replies)
- Hoping to get a VIN check pls (6 replies)
- Injector Change Time (3 replies)
- fire truck needs help (16 replies)
- LB7 bad FPR? (0 replies)
- LLY headgaskets (2 replies)
- DIC Oil Change Monitor (5 replies)
- Duramax Durability (7 replies)
- LB7 cranks a LONG time before starting (2 replies)
- air intake systems (3 replies)
- injector advise pls (2 replies)
- Blowout Tube - 03 LB7 (4 replies)
- Fuel Filter Prob AGAIN (9 replies)
- 2011 solutions to LLY overheating popblems (8 replies)
- electric fans (2 replies)
- 05 duramx intermediate plate (1 replies)
- 2011 Duramax steam/vapor from underhood (6 replies)
- duramax savana 2006. abs light on but no codes found with scanner (3 replies)