GMC ENGINE

Runs Fine For 20 Min. Then Starts To Run Rough & Stalls When You Try To Restart Motor Shakes Like The Timing Is Off (kicks Back) Changed...

On The Oil Cap If You See In Side Of It There's Yellow Stuff, Someone Told Me That It's(motor) Got Moisture In Side It's That True And If...

My 1997 Gmc Sierra Has Trouble Starting. There Is Plenty Of Battery Power And The Plugs Are Good, But Need To Spray Starting Fluid Or Put...

2000 Gmc Sierra Just Dies - Let Sit For 30 Min And It Runs Again Than Just Dies And Repeat

Engine Problem 1987 Gmc S15 V6 Two Wheel Drive Automatic 160000 Miles When You Slowly Rev The Engine It Dies Down And Cuts Off Had...

A Mechanic Said My Truck Was Idling High. My Question Is, How Can I Adjust This? Can I Do It Myself Or Do I Have To Go To A Shop? I'd...

Truck Runs Bad And Using Up All The Gas ( About 2-4 Mpg). Ran Okay When Purchased But It Sat For Nine Years So Now Everything Has Been Going...

2003 Gmc Yukon 5.3l V8----rough Idle, Especially On Some Recent Cooler Mornings. The Truck Is At The Shop And I Have Read Several Sites...

Installed New Catilytic Converter And Its Still Spitting And Sputtering When You Give It Gas Old Converter Was Stopped Up But Had No...

I Have A Gmc Sierra 2500 Hd. I Was Driving Down The Highway At 75mph And When I Came To A Stop The Truck Stalled And Would Not Fire Back Up...