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Home >> Mitsubishi >> 1994 >> Precis Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Fuel System >> Fuel Pressure >> Relieving Fuel Pressure
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Relieving Fuel Pressure

  1. Disconnect fuel pump harness connector at fuel tank from underneath vehicle.
  2. Start engine. Let engine run until it stops. Turn ignition off. Disconnect negative battery terminal. Connect fuel pump harness connector.
    WARNING: Before disconnecting high pressure fuel hose at fuel delivery pipe, cover fuel hose connection with a rag. Some residual fuel pressure may still be in system.
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