Idle Speed & Ignition Timing
Ensure idle speed and base ignition timing are set to specification. If necessary, see ADJUSTMENTS article.
IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM)
| Application | Man. Trans. | Auto. Trans. | |||
|---|---|---|---|---|---|
| Metro LSi w/o ESC | |||||
| w/o Vacuum | 6-7 @ 750 | 6-7 @ 850 | |||
| w/ Vacuum | 12-13 @ 750 | 12-13 @ 850 | |||
| Metro w/ ESC | (1) 5 @ 750 | (1) 5 @ 850 | |||
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