ENGINE RUNS ROUGH

Engine Performance Problem 1996 Buick Regal 6 Cyl Front Wheel Drive Automatic When Started Cold Seems To Rev Up And Down Sometimes And...

1998 Cavalier-2.2 Standard-218k Kilometers. Have New Plus, New Plug Wires. Code Reads Muliple Random Cylinder Misfires. Will Be Running...

1998 Ford Explorer Black Edition, 4l V6, 180.000 Km, Automatic, Runs On Both Gasoline And Lpg. When Starting With A Cold Engine, The...

I Have A 94 Geo Prizim With 235k 5 Speed Manual, Im Getting 15 Mpg Hy, The Car Has A Rough Idle And Sputters At Any Rpm You Hold It At...

I Think It A Injector B/c I Read A Post On Here About A Partly Clogged Injector And I've Had That Prob. But Now It Just Runs Really Hard Its...

Ok So I Swear My Car Plays Tricks On Me, When I Start My Car When Its Cold It Runs Fine. But When It Gets To Temp It Stumbles Or Hesitates...

My Trailblazer Is Driving Me Nuts! The Trailblazer Seems To Be Missing At Around 50 55. The Car Shacks And Then Will Smooth Out. I Have...

91 Mercury Sable/125k/3.8l--after Complete Tune Up Still Rough, 3 Scans Gave Me Diff. Things Which I Replaced--o2 Sensors, Heat Temp...

Everything Was Fine Until I Filled Up The Tank. 3 Miles Later The Sputtering Began. It Never Stalled, But Initially Acted Like It Wanted...

I Got A 1992 Chevy Beretta And It Doesnt Like To Run When It Rains. Can Somebody Please Help Me? It Is Raining Like Everyday And I Can't...