Idle Speed & Ignition Timing
Ensure idle speed and ignition timing are set to specification. Improper setting of ignition timing and idle speed may cause driveability problems and/or false setting of trouble codes. For adjustment procedures, see ADJUSTMENTS article.
4-CYLINDER IDLE SPEED & CO LEVEL
| Application | (1) Idle RPM | (2) Idle RPM | (3) Maximum CO Level | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pickup | (4) 700-800 | (4) 700-800 | 5.0% | ||||||||
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4-CYLINDER IGNITION TIMING (Degrees BTDC @ RPM)
| Application | Man. Trans. | (1) Auto. Trans. | ||
|---|---|---|---|---|
| Pickup | 8-12 @ 700-800 | 8-12 @ 700-800 | ||
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