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Idle Speed, Co Level & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article.

4-CYLINDER IDLE SPEED & CO LEVEL SPECIFICATIONS

Application Idle RPM CO Level %
All Models 780-900 .2-1.2
5-CYLINDER IDLE SPEED & CO LEVEL SPECIFICATIONS

Application Idle RPM CO Level %
2.2L (1) 750-850 .3-1.2
2.3L
Checking Value 720-860 .3-3.0
Adjusting Value 720-860 .6-1.0
(1) Idle speed for automatic transmission is 670-770 RPM.
4-CYLINDER IGNITION TIMING

Application Setting
Checking Value 4-8 @ 780-900
Adjusting Value 5-7 @ 780-900
5-CYLINDER IGNITION TIMING

Application Setting
2.2L (1) TDC @ 750-850
2.3L
Checking Value 13-17 @ 720-860
Adjusting Value 14-16 @ 720-860
(1) Idle speed for automatic transmission is 670-770 RPM.