Idle Speed, Co Level & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See appropriate IDLE SPEED & CO LEVEL SPECIFICATIONS and IGNITION TIMING tables. 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 (M/T) ⁽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 trans. is 670-770 RPM.

4-CYLINDER IGNITION TIMING

Application	Degrees BTDC @ RPM
Checking Value	4-8 @ 780-900
Adjusting Value	5-7 @ 780-900

5-CYLINDER IGNITION TIMING

Application		Degrees BTDC @ RPM
2.2L
Manual Transmission		TDC @ 750-850
Automatic Transmission		TDC @ 670-770
2.3L
Checking Value		13-17 @ 720-860
Adjusting Value		14-16 @ 720-860