GMC ENGINE SYMPTOM

My Truck Has Been Having Electrical Problems. Driving At 60 Mph It Just Shuts Down For No Reason. Then Starts Running Again And Backfires.

It Takes A Long Time To Shift Between Gears, It Hits A High Rpm Between Gears

Idling At 2100 Rpm All The Time.

Our Anilizer Says Dtc. We Need To Know What That Is. The Engin Skips.

[/b] :d Hi! I Wanted To Ask - Would It Be Okay To Use Marvel Mystery Oil Along With 5w-30 Mobil 1 Extended Performance Oil (fully...

Sometimes I Have A Hard Time Starting My Truck

Engine Misfires In Idle

Smells Problem 1996 Gmc Jimmy When I Start The Car, After About 10 Minutes It Smells Really Bad Like Gas And I Get A Little Dizzy...

I Have A 1999 Gmc Jimmy And It Stops And Wont Turn Back On After 30 Or 60 Minutes Of Driving, It Cranks But Wont Turn On But If I Wait 30...

I Have A 1992 Gmc Z71 5 Speed. Well When I Put It In Frist And Strat Going Thean Shift In Too 2nd My Rpms Strat Jumping And The Engine Goes...