ENGINE MISFIRE

Cylinder 1 Misfiring 2 Months Ago. Replaced Coil Packs. All 4. Replaced Plugs Also. Ran Real Good Until Last Week. Cylinder 1 Misfiring...

After Driving 15 - 30 Minutes At 65-70 Mph On The Highway The Engine Will Miss Several Times A Minute. You Can Tell The Engine Misses...

1991 Nissan 4 Cyl. 115,000 Miles. Car Was Running Fine Then Went Sour. Feels Like Not On All Cylinders. Truck Starts Fine But Not Enough...

I Have A 2008 Cadillac Dts - When I Start The Car And Put It In Drive It Has A Little Of A Miss In The Idle But After I Get Going It Is Ok...

Engine Mechanical Problem 1999 Volvo C70 4 Cyl Two Wheel Drive Automatic The Rev Counter Goes Up And Down When Driving And Stationary...

Misfire 03 Deville. P0208 P0300, Started Off With P0308 As Well Then Went To Random Changes Plugs Coil Packs Fuel Injector #8 Map, Maf...

Have A 2003 Oldsmobile Silhouette 3.4l That Has Recently Started To Misfire Badly. I Know The Design Of These Engines Is Susceptible To Head...

96 Buick Roadmaster After It Warms Up, And Goes Into Closed Loop Operation, The Engine Has An Irregular Miss. I Read The Codes, And...

I Have The Car Listed Above Without Turbo. We Repaired The Engine, And When Accelerating It Reaches 3,500 Revolutions And The Engine Starts...

Replaced The Engine With Used Low Mileage Used Engine. Thought Valves Were Sticking. Newer Engine Runs Just As Bad, So I've Eliminated...