Idle Speed

Set parking brake and block drive wheels. Connect tachometer to warm engine and start engine. Check that idle speed is correct with accelerator lever touching idle adjusting screw. To adjust, loosen lock nut and turn adjusting screw until idle speed is set to specifications. Tighten lock nut.

IDLE SPEED SPECIFICATIONS

Application		Idle RPM
I-Mark
	Man. Trans.	575-675
	Auto. Trans.	675-775
	P'UP	700-800

Fig 1: Idle and Fast Idle Speed Adjustment

Courtesy of ISUZU MOTOR CO.

Fig 2: Fast Idle Vacuum Hose Removal

Courtesy of ISUZU MOTOR CO.