GMC ENGINE

I Have A 90 Gmc Dump With A 454 Motor. One Day I Was Driveing And It Started To Spit And Spudder And Back Fire. I Used My Scan Tool And...

Lookig For Help On A Stalling Issue. The Initial Problem Was The Rv Would Only Run At 35 Miles Per Hour Or Less Or It Would Stall Out. I...

My Engine Wants To Stall Out Almost Every Time I Come To A Stop While I`m Doing That Co-gases Fill The Cab I Have To Shift It Into Neutral...

I Have Owned This Car Since 2003; It Has Been Great With Very Few Issues. I Have The Oil Changed Every 3-4000 Miles And Once A Year I Have...

My 2000 Gmc C3500 Misfire At Idle And Seems To Be Ok When I Reb Up Motor What Could Be My Problem?

At First My Mass Air Flow Wasn’t Working. I Have An Onboard Edge Monitor And It’s Not Showing Any Reading From The Mass Air Flow Sensor...

I Have A 1979 Gmc C3500 2wd 1ton Dually. It Has A 454 With An Edelbrock 750cfm 4 Barrel Carb, Holly Aluminum Intake, Long Tube Headers And...

Temperature Gauge Not Getting Hot, But Dash Says Overheating And Smoking. Lost Some Antifreeze But Filled Overflow With Water And Not Using...

I Have A 1984 Gmc Surburban And It Keeps Overheating. I Have To Put Water In It Every 2-3 Days. It Does Not Seem To Be Leaking Anywhere And...

Trouble Overheating. New Radiator New Heater Core New Thermostat Changed Water Pump A Yr. Ago. Top Radiator Hose Staying Cool Even After...