Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2010MARINER PREMIER, 2.5 7, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCEREMOVE, OVERHAUL & INSTALLFUEL CHARGING SYSTEM & FUEL CONTROL SYSTEM - 2.5L (EXCEPT HYBRID)DESCRIPTION AND OPERATIONFUEL CHARGING AND CONTROLSFUEL PUMP (FP) CONTROL MODULE
2010 Mercury Mariner Premier, 2.5 7, FWD
Fuel Pump (FP) Control Module
2010 Mercury Mariner Premier, 2.5 7, FWDSECTION Fuel Pump (FP) Control Module
The FP control module:
- is electronically operated by the PCM.
- controls voltage (10 or 12 volts) to the FP module depending on load.
- is mounted to the underside of the body, near the left rear side of the fuel tank.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.