SUPPLY PUMP INSPECTION [MZR-CD 2.2]

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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.  Set the shift lever to the 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 2.2].)

―  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 2.2].)

―  Engine cannot be started

―  Rough engine starting