Question about 2004 Ford F150

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F4.6 engine missing on no 3 cyclinder - 2004 Ford F150

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  • yadayada
    yadayada May 11, 2010

    Check the coil and plug, check the fuel injector, check compression in this order.



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FROM LustyKid:

Clarification request posted by emissionwiz is appropriate to resolve your issue. If you check as he suggested, you shold solve the problem.

The only thing I would add to it, is check the spark plug wire for resistance and ensure is within tolerances. If not, replace the spak plug harness, it wouldn't hurt.....Do you have over 30K miles on those wires???????More??????My wires lasted 100K before I change them for good luck.

Posted on Dec 26, 2008


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