FUEL PUMP PROBLEM

2001 Mercury Sable

Tiny

harpwh23

January, 12, 2010 AT 1:18 PM

Engine Mechanical problem
2001 Mercury Sable 6 cyl Front Wheel Drive Automatic 104000 miles

fuel pump not starting intermittently. Relay cycling ok 2 seconds with key on without failure, remove relay and jump 12 volt and fp lead pump comes on 8 out of 10 times. Could inertia switch have dirty n/c contacts and where does the fuel pump ground lead terminate on chassis

FOUND 1457 RELATED QUESTIONS

F150

52 ANSWERS

Fuel Pump Relay

9 ANSWERS

3 Answers

Tiny

BMRFIXIT

January, 17, 2010 AT 7:31 AM

If switch fail will not start at all and need to be reset
if relay Supplying power

Suspect pump module

Tiny

harpwh23

January, 17, 2010 AT 8:38 AM

Reply from sender: Found problem to be a high resistance ground, ran sepatate ground wire from black wire of pump harness (ground side of pump motor) to chassis.
Working fine now.

Thanks for your asistance.

Tiny

BMRFIXIT

January, 17, 2010 AT 4:26 PM

Thank you for posting your finding and the fix so others can benefits from it

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