Ford Mustang Engine Misfire Idle

So This Was My Original Problem My Car Was Idling Really Weird Like It Wanted To Turn Off But Then The Revs Would Go Back Up. The Check...

A Few Months Back I Replaced The Engine With A Re-manufactured 3.7l V6 Engine. After A Week Or So I Started Having Misfiring Issues Mainly...

Ok I Have A 2003 Mustang Mach 1 With The Dohc 4.6l V8, My Problem Is My Engine Feels Like Its Misfiring On Idle, It Idles Smooth Then Once...

I Just Replaced The Intake Manafolid On The Car Due To The Gasket Was Leaking. All The Connectors Were Hooked Back Up. Car Was Running...

My Car Misses When Driving And The Ideling Goes Up And Down Especially When Stopped. The Car Runs Fine But Does Have The Miss In It...

At Idle My Car Is Missing Really Bad And Vibrates Really Bad... And Takeoff Is Really Sluggish Too It Acts Like I'm Taking Off In Fourth...