GMC Sierra Engine Backfire

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7 discussions

WONT STAY RUNNING

2002 GMC SIERRA
2002 Gmc C2500 With 6.0 Lit. Gas. 94000 Miles It Started To Back Fire And Wont Stay Running. Any Idea's?
1 ANSWER
Asked by WALNUT

Engine Backfires On Startup

2001 GMC SIERRA
It Cranks But Will Not Start, It Will Backfire. Can You Assist Me With The Reasons That Will Cause This Problem? I Took Out The Egr Valve....
3 ANSWERS
Asked by Don Love

Misfire And Backfire

1999 GMC SIERRA
My Truck Had A Large Vacuum Leak Causing It To Miss And I Fixed That And It Ran Fine For A Couple Days Now Its Missing Worse Than Before And...
18 ANSWERS
Asked by Peanut3419

Backfiring While Accelerating?

1998 GMC SIERRA
I Just Got The Truck Listed Above Sierra K1500. It Had Been Sitting Awhile And Was Only Driven To Go Hunting. It Starts Right Up With No...
1 ANSWER
Asked by brandon.williams

98 K1500 5.7L Bucks And Backfires??

1998 GMC SIERRA
When You Give It Gas It Bucks And Backfires, Take Foot Off Pedal And Idle Runs Good, As Soon As You Give It Gas Bucks Backfires And Sometime...
1 ANSWER
Asked by petrusob

1984 GMC Back Fire When You Let Go Of The Gas

1984 GMC SIERRA
1984 Gmc Sierra Classic 150,000 5.0 Engine The Old Carburator Blew The Catlitic Converter And Muffler I Changed The Carburator No I...
4 ANSWERS
Asked by GMConyx

1983 GMC Sierra Backfiring

1983 GMC SIERRA
Engine Performance Problem 1983 Gmc Sierra V8 Four Wheel Drive Automatic My Truck Idils Fine But When I Go To Tack Off It Keeps Back...
1 ANSWER
Asked by gator1221

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BackfireBuckBurning OilClickCompressionCoolant In OilDamagedGasHard to StartHesitateIdle ErraticIdle HighIdle LowIdle RoughKnockLeanLocked UpLow PowerMisfireNoiseNot Cranking OverNot RunningOil LeakOverheatPoor MileageRevs UpRichRoarRuns ColdRuns HotRuns RoughShakesSmellSputterStall While DrivingStall at IdleSurgeVacuum LeakVibrationWill not shut offWorn

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