Mercury Marquis Engine Misfire

I Have Changed The Spark Plug The Coil And The Fuel Injector. Checked The Injector It Is Working. Starts Right Up Rough Idle.

I Have Replaced The Spark Plug, Coil And Fuel Injector. Still Misfires.

I Have Put In New Plugs, 8 New Coils, A New Computer,new Fuel Filter And This Car Still Has A Miss In It. At 50 To 55 On A Open Road If I...

Started 60 Days Ago. When Driving There Is A Little "skip" --it Seems Too Small To Call A Miss--something Like Hesitation When Tranny...

My Car Is Missing Alot, It Just Started Yesterday, The Engine Light Came On, What Do You Think It Might Be, Car Sounds Like It Is Going To...

Engine Problem 2001 Mercury Marquis V8 65000 Miles My Obd2 Diagnosis Says "cylinder 5 Misfire". How Do I Locate Cylinder 5...

Hi Every One, I Had The Weirdest Thing Happen To Me. I Took My Car To Garage To Have The Radiator Flushed. When I Pickup My Car It...

Periodically The Engine Misfires When Letting Up The Accelerator Part Way It Never Misses When Accelerating Hard. Have Replaced Plugs...

When I Am Driving Along And Need To Speed Up My Car Hesitates And Stumbles When I Accelarate. We Cannot Locate The Problem. It Throws An...

I Had A Miss ,but Only When The Car Reached The Throttle Speed It Miss And Then It Would Buck Until It Shifted Then As The Throttle Was...