ENGINE RUNS ROUGH

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...

This Car Sputters And Shakes Just Sitting In The Driveway At Idle. It Doesn't Act Like A Misfire.

Engine Runs Rough At All Rpm's. Was Running Well. Suddenly Started Running Rough

I Have A 1994 2.2l Buick Century Custom. The Car Has Been Giving Me This Problem For About A Month. I Start My Car And It Idles Rough. I Put...

I Have A 2003 Cheverolet Hd 2500 6.0 Liter Will Crank Was Running Ruff Now Idles Smoothe When Accelerating Popping Thru The Intake (...

My Daughter's 94 Explorer Has A Very Rough Idle When The Engine Is Cold. The Engine Seems To Shudder And Reminds Me Of A Vacuum Loss Problem...

I Got A 89 Accord Lx. Carbarated It Rund And Fires Up But After Warms Up And Drive It It Will Idle Low Sometimes And Tried Dying. Then...