GMC Sierra Engine

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1991 GMC Sierra Missin

1991 GMC SIERRA
My Engine Is Missing But Will Drive Fine But When I Come To A Stop It Dies My Engine Is A 5.7l V8 And I Need To Know How I Would Go About...
1 ANSWER
Asked by matt2689

1991 GMC Sierra Belt

1991 GMC SIERRA
1991 Gmc Sierra V8 Two Wheel Drive Manual How Long Should The Drive Belt Last
1 ANSWER
Asked by coldtoke

1991 GMC Sierra Runs Rich, Wont Idle

1991 GMC SIERRA
My Gmc Will Almost Die And Then Rev Up, And Miss Badly On Acceleration. I Have Tried To Troubleshoot It And Have Not Made Any Progress. It...
1 ANSWER
Asked by bradlyct

1991 GMC Sierra Stalling And Poor Running

1991 GMC SIERRA
I Have Had Some Trouble As Of Late. When The Truck Is Cool It Will Start And Run. Soon As It Is Warm The Idling Is Rough ( It Feels Like...
1 ANSWER
Asked by turner.loose

1991 GMC Sierra Won't Start

1991 GMC SIERRA
My Husbands Truck Won't Start Unless You Spray Starter Fluid Or Gas Into It Then It Runs Good But Turn It Off And It Will Not Start Untill...
1 ANSWER
Asked by bingonanny55

1991 GMC Sierra Crankshaft Position Sensor

1991 GMC SIERRA
Electrical Problem 1991 Gmc Sierra V8 Four Wheel Drive Manual Where Is The Crankshaft Position Sensor Located?
1 ANSWER
Asked by 1arry

1991 GMC Sierra Engine Runs Rough

1991 GMC SIERRA
When Engine Is First Started It Idles Fine. When Accelerator Is Engaged The Engine Spurts And Sputters As If It Is Getting Too Much Or Not...
1 ANSWER
Asked by tpforrest

1991 GMC Sierra 1991 GMC K2500 Sierra Hard To Start

1991 GMC SIERRA
I Have A 1991 Gmc Sierra That Is Hard To Start. It Cranks Just Fine, However, If The Engine Starts, It Dies Within 2 Seconds. This Can Be...
3 ANSWERS
Asked by ARC1991

ECM Fuse Keeps Blowing

1990 GMC SIERRA
The Vehicle Runs At Idle But When Driven A 1/4 Mile Ecm Fuse Blows. I Install Another Fuse And It Repeats. Any Advice Would Greatly Be...
7 ANSWERS
8 IMAGES
Asked by Gonzos11

Erratic Idle

1990 GMC SIERRA
Idle Oscillates From Slow To Fast And If The Throttle Is Opened A Bit It Speeds For About 30 Seconds, Then Backfires Through The Tbi And...
1 ANSWER
Asked by baggypants

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SymptomsAir FilterAir Intake TubeBlockCamshaftComputerCrankshaftCylinder HeadDrain PlugFlywheelGround StrapIdle Air ControlIntake ManifoldInterchangeKnockMAP SensorMass Air Flow SensorOil LeakOil ChangeOil CoolerOil FilterOil PanOil Pressure SensorOil PumpOxygen SensorRebuildReplace/RemoveSerpentine BeltStarterThrottle BodyTiming BeltTiming ChainTune-upTurboVacuum Hose DiagramWiring

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