GMC ENGINE

I Checked Out The Post On This Subject. But I Still Need Help. My 99 Gmc With A Two Y.O. Fuel Pump, And A Month Old Engine Is Having A...

While Driving, Specifically Cruising, The Rpms Do Not Hold Steady. It Will Fluctuate A Couple Hundred Rpms. There Is An Occasional Shudder...

96 Gmc Jimmy With 4.3l Hard To Start Hot Or Cold, Will Start With Either, Or You Have To Cycle The Key Approx. 45 Times To Get It To Start...

1990 Sierra, 350, Milage 189.000, Out Of The Blue? My Truck Started Leaking Oil Spraying The Cars Behind Me, No Lights Came On Until I...

I Bought My Truck Listed Above From Someone This Past Winter. They Weren't Helpful At All With Giving Me Really Any Info On The Thing....

For Months, The Truck Would Occasionally Failed To Turn Over On The First Try, Usually When Hot. Then It Failed All Together. So Far I've...

I Have Replaced, Plugs, Wires, Cap, And Rotor, Intake Gasket And Pleninum Gasket, Thermostat And Coolant. When I Pulled Out Spark Plugs...

Engine Starts Then Stalls.

I Had To Replace The Intake Manifold Gaskets On My 2000 Gmc Jimmy Sle And I Found A Plug That I Don't Have Anything To Connect To, Ped 26....

Hey, I A Few Months Ago I Bought A Gmc K1500 5.0l V8 Tbi From 1989. When I First Got It, It Had No Spark Or Fuel. I Replaced The Ignition...