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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