Duramax First Generation: 2001-2004 (LB7) | Diesel Place

Sticky The Official LB7 Photo Sharing Thread!

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134K

Info: Sticky Proper way to check balance rates

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297K

Info: Sticky Injector Cleaning

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50K

Info: Sticky The LB7 FAQ (Frequently Asked Questions)

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by PrivatePilot

R

Sticky GM's Injector Policy & Testing Procedure

randy_the_hack
Apr 13, 2009
Locked

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47K

by randy_the_hack

Sticky LB7 Injector Replacement How To's

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60K

by RI Chevy Silveradoman

Apparently LB7s have a problem with their injectors...

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724

03’Duramax LB7 limp mode

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196

Replaced the fpr on the cp3 fuel rail low psi

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182

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202

by desuhu

Question: Coolant in the oil after head gasket replacement.

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509

I think I need a cp3 but I really need advice

nev
2 mo ago

2

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2K

by nev

Question: 2004 duramax Howling Noise @ 55-60

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770

Best Gaskets for Head Gasket Replacement project...

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145

LB7 "CALIFORNIA EMISSIONS" TURBOCHARGER?

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561

2003 lb7 fuel knock

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338

by 44LLY

Injector issue?

2

20

1K

by biotec

Code P 0612 help!

8

253

Putting my Duramax up for the winter

6

404

Has anyone solved the grinding starter problem?

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183K

by PNW

Question: disable injector?

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297

by mopar3

High mileage LB7's are you out there??

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665

259K

by Riverbound1000

Question: 2003 Duramax

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910

by Riverbound1000

Question: LB7 6.6 Duramax

3

471

Torque Pro to read balance rates

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18K

Question: bad head gasket or cup?

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352

Question: Fuel leaking after engine is shut off

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664

by Rick20032500HD

Anyone tried a partial fuel sending unit repair?

bh6
7 mo ago

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641

Question: Dorman LB7 High Pressure Injector Line Failure

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780

2002 LB7 Can't Pass Smog

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2K

by kiwaniansteve

LB7: Readiness to Test Emmision Monitors

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37

28K

Question: 03 lb7 coolant loss

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934

Any Newer Injector Solutions...???

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1K

“Service 4wheel drive” light...

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596

to pull or not to pull (injector cups)

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13K

Truck won’t start without ether

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317

died and no start 2004 LB7

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726

Question: Lb7 injectors

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566

03 Won't Start - Newby

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234

Question: Injector pump or injector

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371

Question: 2004 Lb7 no start no crank no clue

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493