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6Bucs, Ford Senior Master
Category: Ford
Satisfied Customers: 981
Experience:  Ford senior master tech, 18 years experience.
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My 2005 expidetion threw a 'misfire code on cyclinder 4"

Customer Question

Hi, my 2005 expidetion threw a 'misfire code on cyclinder 4" plugs and appropriate coil heads have beeen replaced and then the fuel injector, still throws the code, it seems to have the MAF symptoms I am reading about, my auto tech thinks I need an engine job Donna
Submitted: 2 years ago.
Category: Ford
Expert:  6Bucs replied 2 years ago.

Hello and thank you for your question. My name is James.

Do you hear any unusual noise from the engine when it's running, perhaps a tick or rattle noise?
Has the engine compression been tested yet?