Chevrolet Engine Misfire

Hello! As I Try To Accelerate, My Car Seems To Misfire And Hiccup. I Have A Hard Time Getting Up To A Good Speed Due To This. My Mechanic...

Changed All Plugs, Coils, Wire Set, And Injectors Still A Misfire.

My Car Jerks When I Am Backing Up While The Ac Is On Or It Jerks When I Am At A Stop.

Miss Fire On # 7, Changed Plug, Wire, Coil And Injector No Change. When The Problem First Started It Would Miss And Then Stop For A While....

2008 Chevy Uplander With Random Misfire On Cylinder #1?

I Brought It In To Valvoline For An Oil Change In January. After The Oil Change, My Engine Started To Misfire At Idle And At Highway Speeds...

Misfire.

The Code Says Cylinder 1 But It Acts Like If You Took A Wire Off, Shifts Hard, And Studders.

Code Is P0300. After Cold Start And Sitting Idling. - Check Engine Light Comes On Almost Immediately Upon Start And Begins Flashing About...

It Has Had The Catalytic Converters Removed And The Exhaust Pipe Put Back In Place. It Has An Exhaust Manifold Leak. What Is Causing It To...