GMC C1500 Engine Runs Rough

Engine Mechanical Problem 2003 Gmc C1500 V8 Four Wheel Drive Automatic The 4 Plug's On The Driver's Side Are Black And The Pass Side...

Runs Bad When It Rains Out, Did Total Tuneup Including Cap And Rotor, Still Bad Only When Its Damp Or Rains Out

I Have A Problem When I Go To Accelerate Some Times. It Stutters Quite Badly For A Short Period Of Time. It Seems To Be Mostly When You Are...

Truck Runs Real Rough At High Speed And Idleing Could This Be Exhaust Gas Regulator

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...

Truck Had Bad Knock, Changed Motor, Set Timing But Ran Really Bad. Code 43 Registered. New Knock Sensor, Replaced Distributor, New Ignition...

Engine Runs Rough When Cold. Sluggish. Hesitates. I Put New 02 Sensor, New Tpg, Cleaned Carb.

Hi There Could You Help? My Truck Is A 1990 Gmc 4x4 1500 With 2930000 Kms On It. This Started When I Would Go Through A Carwash, Now It...

When I Start My Truck It Runs Fine Till It Warms Up Then It Kicks Down And Struggles To Stay Running

1988 Gmc Truck With 350ci. Engine When Cold It Will Run Lilke The Choke Is On To Much. Eng. Has A Throttle Body. Runs Normal When Eng. Is...