GMC Truck Check Engine Light

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8 discussions

Code # Meaning Question.

1999 GMC TRUCK

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...

3 ANSWERS

1 IMAGE

Asked by ozzy420

1997 GMC TRUCK

Engine Performance Problem 1997 Gmc Truck V8 Four Wheel Drive Automatic My Truck Is Reaching Approx 40 Mph And Sometimes Dies Or Just...

1 ANSWER

Asked by PPIGLETPLD

1997 GMC TRUCK

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...

1 ANSWER

Asked by ProPack

1996 GMC TRUCK

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

1 ANSWER

Asked by shallon

1996 GMC TRUCK

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

1 ANSWER

Asked by Tim Bundrick

1993 GMC TRUCK

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

2 ANSWERS

Asked by jose1313

1989 GMC TRUCK

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...

1 ANSWER

Asked by ian89sierra

1981 GMC TRUCK

Check Engine Light Still On When Truck Is Running.

1 ANSWER

Asked by fredrick6021

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