Question about 1999 Ford Crown Victoria

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ENGINE MISSING CHANGED PLUGS FOR GOT TO GAP MOTORCRAFT AND CHANGED 1 COIL PACK SCANED IT DROVE IT 1 HOUR AND LIGHT CAME BACK ON FLASHING NEXT DAY RUNS A LITTLE BETTER BUT LIGHT STAYS SOLID NO FLASHING WHEN A/C ON RUNS WORST.

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  • Anonymous Mar 25, 2014

    Changed spark plugs and still the same

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How do you know when you need to change your coil packs? How would your car perform if you need to change your coil packs?

Posted on Sep 15, 2008

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You need to see what is going on, have it put on an engine analyzer to see cause of miss, igntion or low cylinder compression, there is no other way.

Posted on Sep 11, 2008

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