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4 ADJUST IGNITION TIMING With CONSULT-II 1. Adjust ignition timing to the specified value by turning distributor after loosening bolts which secure distributor. Without CONSULT-II 1. Adjust ignition timing to the specified value by turning distributor after loosening bolts which secure distributor. SEF197X Models with CONSULT-II © GO TO 2. Models without CONSULT-II © GO TO 3. 5 CHECK TARGET IDLE SPEED With CONSULT-II 1. Rev engine (2,000 to 3,000 rpm) two or three times under no-load, then run engine at idle speed. NEF059A 750±50 rpm OK or NG OK © GO TO 8. NG © 1. Perform “Idle air volume learning”. Refer to EC-SR-46. Throttle position Throttle body Closed throttle position switch BASIC SERVICE PROCEDURE SR20DE Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d) EC-39 |