ENGINE RUNS ROUGH

It Starts Right Up And Runs And Drives, At Idle It Runs Rough And It Has A Hesitation Or Stumbles During Acceleration. It Seems To Be...

Why Does My 1989 F-250 Efi 460 Motor Run Rough / Misfire After Moving The Negative Battery Cable To A Different Location, From The Exhaust...

Hi, My Car Has Started Running Rough At Idls And When I Put It In Drive And Dirve It Along Since Last Week Thursday. I Am Wondering If It...

It Does Not Even Miss At Idle Just The Roughness. There Is No Check Engine Lights On And I Have Put A Scan Tool On Car And It Has No Codes...

I Recently Bought This Car With A Blown Head Gasket, I Got A Mobile Mechanic Out To Fix It. He Put It All Back Together But It Was Still...

My Minivan Is A 2002 Montana Pontiac With 220,000 Miles. Tune Up 2 To 3 Years Ago. Runs Great. Just Beginning To "chug" And Hesitate In...

I Have A 5.7l/ 350 Vortec In A 2000 Tahoe, That Is Kept Tuned-up. I Started To Notice An Occasional Miss At Speed. Then This Developed Into...

. Digital Temp Went To Max And Back Down And Trac Control Light Came On Same Time. Have Had A Slight Misfire (only Missing Once Or Twice)...

Background: Truck Was Having A Cylinder 3 Misfire. Replaced Spark Plugs, Works Great After. Leave Truck Parked For A Week Without Running...

Hi I Have An 89 Eldorado With 4.5 V8, Recently Ive Removed The Engine To Reseal All Gaskets Except Head Gaskets And Replaced Timing Chain...