Mercury Grand Marquis  problems

Mercury Grand Marquis

engine Problems

We don't have a lot of Mercury Grand Marquis engine problems on file — feel free to add yours here. The most common Grand Marquis engine problems cost $2,100 to fix & occur at 78,000 miles.

The worst model years for engine problems are the 1997 Grand Marquis, 2000 Grand Marquis, and the 2003 Grand Marquis.

Click on the graph bars for more details about engine problems for a specific model year.

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Worst Mercury Grand Marquis Engine Problems

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