GMC ENGINE

If The Oxygen Sensor Was Bad, Would It Affect My Idle?

The Vehicle Drives Fine When Taking Off But In Any Gear It's Like It Loses Its Gear And Revs Up, You Let Off And Away It Goes Again. It...

Replaced Plugs When Noticing A Drop In Voltage From The Alternator, Plugs Were Way Overdue. Truck Ran Great For A Week Then Started Running...

I Have A 1999 Gmc Sierra 1500 5.3l And Recently I Have Had Some Trouble Starting It. Sometimes It Starts Just Fine But Other Times It Sounds...

Will A 1986 2.8 F.I. Engine Swap With A 1983 2.8 Carb Engine. Will The Long Blocks Interchange If I Swap All The Parts From The 83 To The 86...

I Have A 1998 Gmc Jimmy That Runs Rough When It Is Cold, After It Warms Up It Runs Great. I Have Changed Plugs, Wires, Dist Cap, Egr...

I Was Wondering How Exactly To Do A Engine Swap From My 4.3l To A 5.3l. What All I Would Need To Purchase. And Steps To Do The Swap. Thank...

Vacuum System Diagram Needed.

My Friend's Son Just Flipped His Dad's Truck Listed Above 1/2 Ton. Can You Swap The Gmc Engine For A 2015 Chevrolet Silverado 3/4-...

I Only Had 2 Relays In My Vehicle. My Engine Would Run Hot While Idling. So I Put A Relay In The 3rd Place Which Was Empty But Was Labeled...