GMC ENGINE MISFIRE

My Truck Has A Bad Miss I Changed The Plugs And Wires And I Also Put In A New Fuel Pump About Two Weeks Ago It Has A Slight Miss At Idile...

I Have Had A Misfire Code For Some Time Only When I Am Accelerating And/or Under Load. Now The Misfire Code Flashes Whenever I Pass 60 Mph...

I Just Had A Fuel Pump Go Bad, I Replaced It And It Fixed The Problem. But Now It Misses, It Doesnt Seem To Miss At Idle Or When Taking...

I Have A 1996 Gmc Yukon With The 5.7 Liter Engine. The Motor Misses At An Idle. The Code Says It Is Missing On The Number 5 Cylinder. I...

99 Gmc W/5.7 Stumbles At Steady Speed, Runs Fine Under Acceleration, Nothing Shows Up On Obd.

Engine Misses Ocasionly During Normal Driving. I Have Tried To Make It Miss And Can`t Seam To Find A Way To Make It Miss. I Don`t Know If It...

Heres A Good One. Just Bought A Stock '96 Jimmy 4x4. Starts Fine, Idles/revs Beautifully, But On Acceleration It Misses. Bad. What Could...

I Have Replaced The Fuel Pump, Filter, Plugs, Wires. The Truck Is Still Mis-firing, Is The Problem The Ignition Coil? Or Something Else...

4.3 With 197,000 Km. I Had The Tranny Rebuilt In Dec. Had Code 0300-multiple Misfire. Replaced Plugs, Cap And Rotor O2 Sensor...

My 97 Gmc Pickup Has A Cylinder 4 Misfire Code. I Have Changed The Spark Plugs And Wires, And Egr Valve. I Have Cleaned Up The Distributor...