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 MANUALSMERCURY2010MOUNTAINEER 2WD V8-4.6LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPINPOINT TESTSTEST KA: FUEL PUMP (FP) RELAY
2010 Mercury Mountaineer 2WD V8-4.6L
Test KA: Fuel Pump (FP) Relay
2010 Mercury Mountaineer 2WD V8-4.6LSECTION Test KA: Fuel Pump (FP) Relay
PINPOINT TEST KA: FUEL PUMP (FP) RELAY
Fuel Pump (FP) Relay Connector:
Fuel Pump (FP) Relay Connector, Inertia Fuel Shutoff (IFS) Switch Connector And Powertrain Control Module (PCM) Connector:
KA1-KA2:
KA3-KA7:
KA8-KA13:
KA14-KA18:
KA19-KA22:
KA23-KA27:
KA28-KA30:
KA31-KA32:
KA33-KA34:
RENDER: 1.0x
NO RELATED
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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.