Posted a few days ago about a reasonable repair cost for new fuel pump my '96 merc. grand marquis. Had it replaced ($430) and problem still exists. Intermittent starting (about every 7-10 days) it won't start up/turn over. It cranks fine, but just won't start. Checked crank and cam sensors, fuses. No problems/codes come up on Scanner. Could it be IAC valve or an electrical problem. Mechanic thought it was the fuel pump. Appreciate ANY thoughts/ideas/suggestions.

Asked by Onevoice Feb 01, 2013 at 02:38 PM about the 1996 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

3 Answers

Fuel pressure reg. Or week fuel pump do a line pressure test running when you let it sit the pressure will blead back down and you have to crank longer and longer . The loger the reg is bad the harder yuor pump must work to try and build set pressure and your pump will eventualy be on its last leg too

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