one day my 03 grand marquis ran just fine next wont start ? runs on starting fluid

Asked by finkd2015 Nov 28, 2015 at 08:14 AM about the 2003 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

My 03 grand marquis ran perfect one day and the next will not start. Starts and runs on starting fluid WHY?

3 Answers
157,475

Bob answered 8 years ago

Evidently if it runs on starting fluid and stops when starting fluid is gone, it is not getting fuel to the engine or the injectors are not operating. Bad fuel pump, bad fuel pump module, engaged inertia safety switch, bad ECU or bad fuel pump wiring are all possible causes.

Mark helpful
5,315

Trippmeister answered 8 years ago

replaced the fuel pump relay first. Also, a scan reading might show if that's it, or the things mentioned above.

Mark helpful

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