GMC Sierra Engine
Browse GMC Sierra Engine questions and answers. Choose a question that matches your symptoms.
928 discussions
Engine Shutters While Idling And Driving?
Vehicle Details: 4wd / Awd
Had A Code P302...replaced #2 Coil. It Did Not Help..tuck Is Garage Kept Never Abused...just Not Understanding...
Asked by Chris Christianson
Codes P0137, P0157, P0171, And P0174 P129f, The Engine...
I Got Home From Work One Afternoon. The Truck Was Running Fine. 30 Minutes Later I Went To Leave, And The Truck Would Not Start. As I Kept...
Asked by cward1450
Fluctuating RPMs While Driving?
While Driving, Specifically Cruising, The Rpms Do Not Hold Steady. It Will Fluctuate A Couple Hundred Rpms. There Is An Occasional Shudder...
Asked by jamessurface
Replacing Cam And Lifters?
Having A Difficult Time Finding All The Torque Specifications Needed For Reassembly. Cam Phaser Bolt Oil Pump Bolts, Cylinder Head Bolts...
Asked by Yasick
No Power To OBD2 Port?
Failed Inspection Because There Is No Power To Port So Can't Do Ma Emissions Test. Contacts Look Good, Auxiliary Power Ports Have Power...
Asked by mlucas47
No Power To Low Pressure Switch?
All Fuses And Relays Good. Controls All Light Up, Three Wires At Pressure Switch. Checked Each With A Test Light None Lit It Up.
Asked by Roy Jr Martinez
Engine Not Starting, Plus Other Weird Symptoms
Hi There, The Truck In Question Hadn't Been Started In Two Or Three Weeks Because We Haven't Gone Anywhere. Here's What Happened...
Asked by i_know_nothing
Torque Specs And Pattern
I've Been Replacing The Lifters On My Truck, And I'm Having Problems Finding The Torque Pattern And Poundage. I've Found...
Asked by CLutze27
Oil Pump Replacement?
Had A Code P06da Oil Pump Solenoid Code, Did All The Hard Work To Drop The Steering Gear, The Oil Pan, Pull Off All Accessories, And Install...
Asked by hempy
Truck Shuts Off
I Had My Truck Idling, While Doing So My Battery Light Came On. Then My Voltage Suddenly Started Going Down. I Tried Driving It To See If It...
Asked by calibear56
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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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