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Experience:  30 yrs,experience shop owner,
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2007 ford: running rough..check engine light..ignition coil..idles

Resolved Question:

I have a 2007 ford fusion running rough and had check engine light had mechanic check it with tester said it was number 6 ignition coil. i changed it runs better but still idles a little rough. had friend reset check engine light with small hand held tester. light came back on tester says ignition problem but not specific
Submitted: 3 years ago.
Category: Ford
Expert:  Ford expert replied 3 years ago.

Welcome to just answer.com. I'm here to help you and your 100% satisfaction is my goal.

There is a service bulletin on your vehicle which calls for the PCM to be we flashed or reprogrammed with the latest software to correct this problem I would start by doing the reprogramming first before we start replacing any costly Parts

Customer: replied 3 years ago.
The coil was definetly bad it was busted on the side  and after changing it the car runs alot better but still has check engine light and idles a little rough .the question is after changing it does the pcm need to be reflashed or reprogramed
Expert:  Ford expert replied 3 years ago.
No of the PCM does not need to be RE flashed the cause of the ignition coil but like I said there is a technical service bulletin on your particular vehicle that they have a RE flash available to cure the rough idle
Ford expert, ASE Certified Technician
Category: Ford
Satisfied Customers: 10370
Experience: 30 yrs,experience shop owner,
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