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Home >> Isuzu >> 2001 >> Trooper LS 2WD V6-3.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Fuel Metering System >> Fuel Metering System Components >> Fuel Pump Relay
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Fuel Pump Relay

In order to control the FP operation, the FP relay is provided. When the starter switch is turned to "ON" position, the FP relay operates the FP for 2 seconds.

When it is turned to "START" position, the Power Train Control Module (PCM) receives the reference pulse from the Ignition Control Module and it operates the relay, again causing the FP to feed fuel.