GMC Sierra Engine

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1990 GMC Sierra Truck Won't Start

1990 GMC SIERRA
Problem Started With Truck Stalling Out While Driving. Would Not Re-start Unless I Squirted Gas In The Throttle Body. Sometimes It Would...
2 ANSWERS
Asked by stevenshumate77

1990 GMC Sierra No Power

1990 GMC SIERRA
Truck Is A Big Block 454,with Throttle Body Injection And A 400 Turbo Transmission Just Did Full Tuneup,checked For Vac. Leaks And Has...
1 ANSWER
Asked by kevinkeffer

1990 GMC Sierra Truck Dies!

1990 GMC SIERRA
Original Problem Was That My Truck Wouldn't Start. In Narrowing Down The Problem, Replaced The Fuel Pump, Rotor, Battery, Ignition Coil...
1 ANSWER
Asked by sykopus

90 GMC Sierra Doesn't Start

1990 GMC SIERRA
My 90 Gmc Sierra (7.4l) Does Nothing When The Key Is Turned In The Ignition. I've Eliminated The Battery As A Culprit (replaced With A New...
1 ANSWER
Asked by nvr2nd

Engine Will Not Crank

1989 GMC SIERRA
I Push My Clutch In And Turn My Key And It Won't Do Anything. Replaced The Battery Thinking It Was It Because The Voltage Went Down, I...
1 ANSWER
2 IMAGES
Asked by Bobby Pate

Will Not Stay Running

1989 GMC SIERRA
The Truck Shut Off Plowing. So I Replace The Ignition Module And The Plug Wires And The Coil. It Started Then Shut Off And Will Not Start.
1 ANSWER
4 IMAGES
Asked by Derrick Forman

Starts But Will Not Stay Running

1989 GMC SIERRA
Starts Up Runs For Two To Three Minutes Then Shuts Off. Starts Right Up Runs, Again Two To Three Minutes Then Shuts Off. It Did Start Up...
1 ANSWER
1 IMAGE
Asked by Mark Roberts2

Fuel,pulse,ecm Signal To Fumps And Tbi Solinoid

1989 GMC SIERRA
Truck Was Running, Left It Sit For 2 Years. No Fuel At Tbi , Changed Pumps No Fuel At Tbi, Pumps Do Not Come On Checked System Grounds...
1 ANSWER
2 IMAGES
Asked by police1

How Do I Remove The Flasher Relay. It Does Not Come...

1989 GMC SIERRA
How Do I Remove The Flasher Relay. It Does Not Come Out When I Pull It. Is It Held In By A Clip?
1 ANSWER
Asked by Anonymous

Starts But Wont Stay Running

1989 GMC SIERRA
Starts But Wont Stay Running
1 ANSWER
Asked by Anonymous

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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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