Johnny44

Have a code of PO303 Cyl3 misfire F150XL 2007. Have a few ideals but could use any suggestions.

gone postal

A little more info would help. Which engine is this?

gDMJoe

1) HINT/TIP: Put your vehicle information (year, cab type, trim, engine, wheelbase, _x4 drive, etc.) in your sig' -OR- provide it in your posting(s).
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2) HINT/TIP: You'll find posting in thesection more helpful/appropriate than General F150 Discussion posts.

-REFERENCE-
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Regarding misfire - Possible causes:

• faulty/fouled plug.
• faulty/failing COP and/or connector.
• fuel injector.
• loss of compression in cylinder.
  etc., etc., etc..

techrep

iTrader: (1)

What are your Ideas ?

Johnny44

This is a 4.2 L V6 for FordF150XL 2007. Thanks.