01 Grand Marquis 4.6V8

Asked by Pa1971 Oct 11, 2017 at 12:54 PM about the 2001 Mercury Grand Marquis GS

Question type: Maintenance & Repair

My starts and idles fine but you hear
it mising in the exhaust I changed
fuel filter and airfilter what could be
the problem

1 Answer
45

CantorNikolaos answered 7 years ago

MY Eddie Bauer Explorer did that this summer. It was an ignition coil. The 4.6L V8 has a coil for every cylinder. Go get a service shop to read the codes on your on-board computer so they can tell you what cylinder is misfiring. Modern cars have computers that can monitor the combustion in every cylinder. They can also record misfires. After you replace that coil, it should be fine.

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