My 2005 grand marquis whould not start from time to time and progessed to get worse. I replaced the battery and now it wont turn over at all. What should I do?

Asked by Aug 25, 2014 at 11:22 AM about the 2005 Mercury Grand Marquis GS

Question type: Maintenance & Repair

1 Answer

23,795

Won't crank? Cranks but won't start? Starts but won't stay running? If you're replacing the battery and it's dead a couple of days later, check the alternator for a draw. If you're jump-starting a dead battery and trying to make the alternator charge it - you're cooking your alternator and never will charge your battery properly. If your car starts and runs fine most days but cranks and won't start on others, I'd consider the fuel pump module. If you're stumped, I'd consider spending the $100 and have a Pro check it out - not the neighborhood Hillbilly that knows a thing-or-two about cars either.

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