Mechanics

THE CHECK ENGINE LIGHT IS ON, AND THE CODES ARE FOR MISFIRING ON 2 CYLINDERS. WHAT WOULD BE MY NEXT STEP?

2005 Ford Mustang • 19,000 miles

I have replaced the plugs, the wires and the coil. The check engine light is still coming on, and the car is running extremly rough. What is the next logical thing to check?
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Saauce
June 28, 2012.




What cylinders?

Tiny
Rasmataz
Jun 28, 2012.
It is misfiring on cylinders 4 & 5.
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Tiny
Saauce
Jun 28, 2012.
Check compression and injector for those cylinders

Tiny
Rasmataz
Jun 28, 2012.

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