Firing issue

Asked by Clf3 Oct 20, 2018 at 10:45 PM about the 2003 Ford F-150 Lariat Crew Cab 4WD SB

Question type: Maintenance & Repair

I was showing a #7 cylinder misfire. Changed
the coil and plug but still have the same
issue. What should i look for or try?

3 Answers
159,355

Bob answered 6 years ago

Swap the fuel injector with the injector on another cylinder and re-scan for trouble codes. If the miss moves with the fuel injector you have found the problem.

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25

Brandon answered 6 years ago

If that doesn't work dig into somewhere else easier first and check to make sure your spark plugs are good

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Your Answer:

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