Mechanics

MERCURY MARQUIS ENGINE PROBLEM

1997 Mercury Marquis • 144,365 miles

Why do my 97mercury grand marquis crank up with no problem but when try to give it gas it want to die but if I let my foot off the gas it stay running? Thank u kindly?
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January 15, 2013.



Has the check engine light come on? Have you checked for vacuum leaks to the engine? Fuel pump pressure?