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Fuel System Pressure

RELIEVING

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Turn the ignition to the OFF position.
  3. Loosen the fuel filler cap to release fuel tank pressure.
  4. For the Mirage and Eclipse, remove the rear seat cushion, then remove the service cover and disconnect the fuel pump harness connector.
  5. For the FWD Galant, Diamante and 3000GT, detach the fuel pump harness connector located near the fuel tank. It may be necessary to raise the vehicle to access the connector.
  6. For the AWD Galant, remove the carpet from the trunk, locate the fuel tank wiring at the pump access cover, then detach the wiring.
  7. Start the vehicle and allow it to run until it stalls from lack of fuel. Turn the key to the OFF position.
  8. Disconnect the negative battery cable, then reconnect the fuel pump connector. Install the access cover, cushion or carpet as necessary.
  9. Wrap shop towels around the fitting that is being disconnected to absorb residual fuel in the lines.
  10. Place shop towels into proper safety container.

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