14 Fusion SE Misfire-No reason why

Asked by JoeyGoomba484 Nov 23, 2021 at 02:26 PM about the 2014 Ford Fusion SE

Question type: Maintenance & Repair

No engine light on, engine has a misfire. Changed
oil, plugs and coils. Mechanic said fuel pressure
and all is good. Any other ideas? Reading maybe
it’s the computer??

1 Answer
410

Guru9H85Q3 answered 2 years ago

There is always a reason. ECU/PCM may be malfunctioning but before going that far I would first check: Spark-plugs one by one, spark-plugs wire, Ignition coil-to-Spark- plugs and wiring, fuel injector defective or defective spry pattern, fuel filter clogged, Intake Manifold Air Leaks. Thanks.

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