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

Sticky The Official LB7 Photo Sharing Thread!

5 6 7

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131K

Info: Sticky Proper way to check balance rates

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288K

Info: Sticky Injector Cleaning

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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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by randy_the_hack

Sticky LB7 Injector Replacement How To's

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60K

by RI Chevy Silveradoman

Question: Injector pump or injector

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145

Question: Dorman LB7 High Pressure Injector Line Failure

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99

Question: 2004 Lb7 no start no crank no clue

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191

Coolant system pressure

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141

by mopar3

died and no start 2004 LB7

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302

by Zsweet

4

113

P0202 Where Is Injector 2 Wiring Harness

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93

by roryafrancis

Question: 2002 Sierra 2500hd won’t start

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25

991

LB7 won't start

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464

FICM Replacement

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137

Info: LB7 Duramax Idle Lope and Surge Issue Fix! Limiting the supply pressure to the CP3

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308

Lb7 no start when warm

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148

by Cody44

Question: High horsepower lb7

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140

by gmc502

2002 LB7 Can't Pass Smog

3

2K

by AlmondFarmer

2

139

LB7 Throwing P1093 Fuel Rail Pressure Low during power enrichment

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3K

Head gaskets or injector cups?

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168

Injector balance rates with dash command?

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162

Question: Antifreeze leak

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477

by Justin Copeland indiana

Question: Help!! Hard Start 2003 Sierra

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293

Question: Fuel leaking after engine is shut off

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372

Duramax LB7 Removal/Install

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14K

Question: Fuel additives

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442

by DaviesDurmax

Question: 2001 LB7 problems really weird help!

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195

Question: Power Loss after Head Gasket Replacement

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667

Question: 03 LB7 TOTALLY AT A LOSS.

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935

13

657

by desuhu

Low oil pressure, shaking at idle

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522

Need Injectors after 31k miles, Gotta be kidding me!!

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1K

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1K

Question: lb7 cutting out (getting worse)

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423

Question: 2003 Chevy Silverado Stalling/Tractor sound

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204

Question: P0087 - Troubleshoot - Fuel Vacuum

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684

Fuel issue with my 01 duramax

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798

lb7 air dog loose prime

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468