GMC

When I Drive, The Rpms Will Jump Say From 3000 To 6000 Rpms When Getting On The Freeway Or When I Get Around 40 M.P.H. Sometimes The Rpms...

Do 5.7l Gmc Vans Have An Oil Pressure Kill Switch, Activated By Loss Of Oil Pressure? Thanks For Any Replies.

Upon The Onset Of Noticing Poor Fuel Economy In Our 1995 Jimmy, We Took It To Our Regular Mechanic For A Tune-up. Our Mechanic Performed...

When I First Start The Truck, There A Loud Clicikng That Persists Until The Engine Warms Up. The Clicking Is Slower When The Engine Is...

The Crank Sensor Wires Burn When Then Hit The Exhaust Manifold And The Engine Shut Off. After Me Repair The Burned Wires And Try To Turn On...

The Speedometer Quits Working Once Headlamps Or Parking Lamps Are On, But It Is Not Effected By Daytime Running Lites. So At Nite I Set...

My 4x4 Was Not Working So I Checked The Fuse Box And Found That The Fuse Was Blown. I Replaced It And Tried The 4x4 Again And It Blew The...

Engine Performance Problem 1989 Gmc Sierra Engine Size Unknown 165000 Miles My Truck Was Running Fine Then All Of A Sudden...

I Have A 2000 Gmc Yukon. I Recently Bought A Mac Tools Diagnostic Tester. When I Hook Up The Tester It Says Code P0108 And Map/baro Sensor...

My 2000 Gmc Savana 1500 V8 5.0 Would Not Start One Morning. When I Turned Ignition I Could Hear Fuel Pump But No "clicking" Or Anything Else...