Q: my 1998 grand marquee having a issue starting, what issues can i check?
on 2002 Mercury Grand Marquis

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I took a 98 motor and put it in a 2002, the motor ran fine in the 98, only thing changed was ejectors. 2002 wiring harness still on the 98, everything is connected corectly confirmed by several people, fuses all checked, fuel pump comes on when key is dpresses, then it kicks off, the computer is off the 98 what could be a possible solution.
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