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Home >> Mercury >> 1997 >> Mystique L4-122 2.0L DOHC VIN 3 SFI >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Fuel Delivery and Air Induction >> Fuel Pump Relay >> Description and Operation

Fuel Pump Relay: Description and Operation


The fuel pump relay supplies power to the fuel pump when the Powertrain Control Module (PCM) grounds the relay during start and engine running conditions.

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