GMC ENGINE SYMPTOM

I Changed Plugs, Wires, Cap, And Rotor. Engine Still Misses. At Idle You Can Hear It Missing, And It Makes A Popping Sound In The...

My Car Has A Rough Idle And Is Sluggish Will Only Run About 30 Mph Big-o Looked At It For About An Hour And Came Back With Blown Head Gasket...

I Have Replaced Sparkplugs, Wires, Dist. Cap And Roter Bug, I Am Just Guessing That Its Either The Ignition Coil Or Timing Chain. ...

Engine Surges Till It Reaches Running Temp

My 97 Gmc Sierra Has A Really Rough Idle And It Dies When You Stop At A Lighht. What Could Thhat Be?

What Could Cause Rough Idle And Excessive Carbon Out Exhaust Pipe

Hi, I Have Recently Bought A Gmc Jimmy After Driving It For 3 Months With No Problems It Has Now Started To Run Rough And Then Stall...

I Have Been Smelling Gas Inside The Cab Of The Jimmy Really Bad For Past Couple Days. I Smell The Gas Both In And Out Of The Vehicle On The...

5.7 Liter Runs Rough. Replaced Starter, Altenator, Spark Plugs, Wires, Dist Cap, Rotor, Throttle Positioning Sensor. Back Fires Out...

I Have A 1989 Gmc Pickup With A 350 And Tbi Carb. The Motor Runs Good At An Idle But Runs Rough When The Throttle Is Pressed. Coudl You...