ENGINE RUNS ROUGH

Hi I Bought My Wife A 2000 Seville Sts About A Year Ago. It Has Had Some Minor Problems, But Other Than A Starter, Nothing Too Costly....

We Just Replaced Our Engine With Another Used One And Can't Get It To Run Right. Runs Rough, Back Fires, Won't Stay Running, And Worst...

I Got A Buick With A V6 3800 Rough Idle And Misses While Drive To Stall. I Threw New Pluggs And Wires Ran Good For About 15 Min Then...

The Vehicle Dies Intermittently, Sometimes While Driving And Other Times While Coming To A Stop. The Vehicle Runs Rough Sometimes While...

Hi, I Have A Mk1 Fiesta 1981 1.1l, The Problem Is: When I Start My Car And Drive Away From Cold It Will Pull Away Lovely With Just A...

Its Runnimg Like Its Missing On One Cylinder. I Replaced The Spark Plugs And Coil As Well As The The Carb. It Was Running With A Little Too...

I Have A Suzuki 1.6 16v 1994. Starts Fine, Ticks Over Fine And Drives Ok When Cold But After 2-3 Miniutes If You Try To Hold A Steady Speed...

Yesterday My Car Started Excessively Smoking. So Much So I Thought The Car Was On Fire. But After A Couple Of Minutes, The Smoking All...

The Car Idles Good. Starts Good, Hot Or Cold. Runs Smoothly. Never Dies. But, When Car Is Cold, It Will Buck And Jerk Like Crazy...

My 2002 Ford Focus Has Been Running Smoothingly For The Past A Few Years. However Recently I Notice That It Makes A Noise During...