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ray

ray 3/1/2012

2000 Mercury Sable GS 6 Cyl 3.0L

Preventive Maintenance

my mer, sable runs rough and has a check eng. code of 1237. anyone know what this is, and how to fix it?

problem comes and goes, even after i have cleared the code with the tester

2 Answers


Jimm

Jimm 3/3/2012

P1237 = Fuel Pump Secondary circuit fault. Usually related to the fuel pump wiring, connection, pump circuit - and sometimes as finalstep - the fuel pump itself.

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HouseCallAuto

HouseCallAuto 3/3/2012

In almost all cases (greater than 90%) the cause is a bad fuel pump.

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