Mercury Grand Marquis owners have reported 3 problems related to other fuel system pump (under the other fuel system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Grand Marquis based on all problems reported for the Grand Marquis.
The passengers side seat beat comes undone at times and the speed sensor works intermittently and it leaks gas from around the fuel pump.
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all problems of the 1999 Mercury Grand Marquis
🔎.
Replacement airtex fuel pump (model e2272s) determined to be leaking gasoline from where the electrical wires pass through the nylon/plastic connector block assembly and/or from the junction of the nylon/plastic wire block assembly and the fuel pump’s metal housing. Fuel pump installed in the vehicle on or about 5/31/2012 @ 79,353 miles. Leak not noticed/detected/reported until 7/23/2014 @ 92,958 miles.
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all problems of the 2000 Mercury Grand Marquis
🔎.
The contact owns a 2004 Mercury Grand Marquis. The contact stated that the vehicle stalled without warning. The contact had the vehicle towed to a mechanic and was told the fuel pump needed to be replaced. The failure mileage and current mileages were 45,015.
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all problems of the 2004 Mercury Grand Marquis
🔎.