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2000 Ford Taurus Question: bad misfire on 1 cylinder.. 2000 3.0 L flex fuel

 

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lnitemare, Chelsea, MI, October 21, 2012, 12:38
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have replaced plugs and wires, dpfe, coil pack, injector.. each time mis had gotten better, now runs just as rough as before also running very rich..

running average 10mpg. constant flash of check engine light...

would it be worth grinding valve seats? compression check has not been run...

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  • Answer #1

    October 21, 2012, 18:42
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     Master

    WHAT DOES YOUR MECHANIC SAY? YOU LEFT NO INFO. AS TO WEATHER YOU ARE A MECH. SCAN TEST IS WHAT I WOULD DO NEXT TO FIND
    MISFIRE(S). THEN GO FROM THERE WITH CHECK'S FOR IGNITION FIRE, FUEL & INJECTOR PULSE, COMPRESSION AND VACUUM LEAKS.

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