SUPPLY PUMP INSPECTION [MZR-CD (RF Turbo)]

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  Caution
  • Special tools and testers are required when disassembling the supply pump. Disassembling the supply pump without special tools and testers will cause a malfunction.
  • Consult an authorized DENSO parts distributor for repair if any of the following supply pump parts are possibly malfunctioning.
    ― Supply pump inner parts
    ― Fuel temperature sensor

1. Verify that the gear is in neutral position.

2. Start the engine to verify the engine operation condition.

  • If any one of the following conditions occurs, replace the suction control valve. (See SUCTION CONTROL VALVE REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
    ― Engine stall
    ― Rough idling
    ― Lack of power

  • If any one of the following conditions occurs, replace the supply pump. (See SUPPLY PUMP REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
    ― Engine cannot be started
    ― Rough engine starting