FORD ENGINE RUNS ROUGH

1997 Ranger With A 4.0 Engine Idles Rough, Computer Says Banks 1 And 2 Are Running Lean

The Truck Listed Above Is A Super Duty Pickup That Sometimes Run Pretty Good And Other Times Runs Kind Of Rough. I Have Changed Plugs...

New Re-manufactured Engine Just Installed. Starts Fine, Idles Fine, Put Into Gear, Okay. Press On Gas Engine Goes Rough But Continues...

My Car Will Run For A Minute Or Two Then Starts To Run Rough And Dies. I Have Replaced The Fuel Pump, Spark Plugs, Fuel Regulator, And...

It Will Run Fine Until It Gets Worm. Then Loss Of Power And Runs Rough. A Constant Miss That Does Not Change. Has New Coil Pack, E3 Plugs...

Replaced Head Gaskets, Etc. Drive Rod For Oil Pump Came Out Of Oil Pump And Fell To One Side. Had A Really Hard Time Getting Distributor...

This Morning When We Started The Expedition, The Check Engine Sign Went On And The Engine When We Tried It Was Running Rough.

Code Number Five Cylinder Misfire. Running Rough, Shutters Under Load, Hesitates, Tries To Shut Off From Park To Drive. Tested Spark...

Running Rough So I Replaced All Spark Plugs And Wires And That Didnt Work Replaced Coil Pack And That Didnt Work Whats Next

I Recently Washed The Engine On My 2001 Ford Expedition And Now Is Running Rough. What Could Be The Problem?