GMC TRUCK WARNING LIGHT

Check Engine Light Still On When Truck Is Running.

I Can't Even Get Down The Block Because Of It! Sensors Appear To Be Fine, Bearings Do Not Appear To Be Out, Throttle Body Cleaned...

Hello My Friend Has A 1999 Gmc 3500 Diesel Truck And The Check Engine Light Turned On So I Checked It With A Code Reader And It Showed Code...

After Cranked And Running, The Engine Sometimes Will Just Quit. This Often Is Caused By Depressing The Brake Or Switching On The Lights. At...

It Was -40 Degrees This Morning When I Started My 89 Sierra To Warm It Up Before Work. As I Was Walking Back Inside I Though I Heard A...

Service Engine Light Came On Oil Pressure Goes Up When Throttle Goes Up And Then Goes Back To Normal When Let Off

1993 Gmc Truck 6 Cyl Two Wheel Drive Automatic Why Does It Say Engine Service Soon

I Cannot Get My Truck To Pass The Emissions Test. The Test Stops At The O2 Sensor And The Printout Says Unsupported. I Have Had The Dealer...