Question about 1998 Mercury Grand Marquis

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98 Grand Marquis intermittent no start/stalling

I have a 98 grand Marquis, that on occasion will not start, or stalls out. It will crank but not start, or just completely die and not start. If it sits for a couple hours it will restart just fine and run for a while without any problems. It has no fuel pressure on the occasions that it wouldnt start and I could actually check it out. I have replaced the fuel pump, fuel filter, and swapped relays, and it still stalls occasionally. Any common problems or areas you would recommend looking at?

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  • Peter Castaldo
    Peter Castaldo Feb 18, 2009

    Is that a guess or is there a reason for the crank sensor diag. Is that common? I had 3 codes stored in the computer, 1 was crank sensor and the other 2 were like PATS key mismatch and I forget the other, but it seemed like it could be any of the 3.

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Crank sencer

Posted on Feb 18, 2009

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