GMC ENGINE RUNS ROUGH

When Engine Is First Started It Idles Fine. When Accelerator Is Engaged The Engine Spurts And Sputters As If It Is Getting Too Much Or Not...

Truck Starts And Runs Fine When Idling Or After About 40 Mph. In Between It Sputters. Jan. 2005 I Replaced The Original Distributor. Now On...

I Have A 1995 Gmc 1ton Vandura 5.7 Liter, Recently I Changed The Spark Plugs & Wires. After Doing This I Started The Van And It Stareted...

After Driving For Approximately 30 Minutes The Car Begins To Shift Roughly At 10 Miles Per Hour And Again At 20 Miles Per Hour. I Recently...

After Initial Startup Idols Well, Turn Off Then Restart And It Floods, Black Smoke, Will Run If Left Alone But If You Give It Gas It Will...

I Have A 1992 Gmc Sonoma That Runs Rough When You Put It In Gear, Any Idea On What It Could Be

Has Been Tuned Up Twice Each By Different Shop May Run Smoothly For Period Of Time Then Roughly For Period Of Time. New Radiator Recently...

I Had Oil Pan Gasket Changed And Oil Cooling Lines. The Truck Was Running Perfectly Before The Repairs. Drive It Home, Started It The Next...

Code Told Me To Change Mas Air Flow Sencer And Map Sencer And I Did And Still Runing Bad And Sending Same Codes Still

I Have A 1994 Gmc 1500 With A 4.3l V6 It Started Running Crappy The Other Day And In Messing With It I Have Found That It Only Runs Fine In...