Won't start

Asked by Gip Dec 09, 2016 at 01:07 AM about the 2003 Mercury Grand Marquis

Question type: Maintenance & Repair

I purchased an 2003 GrandMarquis...it will turnover
but won't start...I changed  the fuel pump
module...new fuel filter...cam sensor..new
Battery..new oil and filter....if I spray starter fluid
she will run but cuts off

2 Answers

F_O_R answered 7 years ago

Can you hear the fuel pump running at the fuel tank? If not you may need a new fuel pump.

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Trippmeister answered 7 years ago

Make sure you've replaced the fuel pump relay, and checked the inertial cutoff switch L side inside trunk. If it's triggered, pump won't work. Do a fuel pressure test with a gauge, they don't cost much.

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