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Home >> Subaru >> 2001 >> Forester S F4-2.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Ignition Timing >> Testing and Inspection
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Ignition Timing: Testing and Inspection

Ignition Timing
MEASUREMENT

CAUTION: After warming-up, engine becomes very hot. Be careful not to burn yourself during measurement.

1. Warm-up the engine.
2. To check the ignition timing, connect a timing light to #1 cylinder spark plug cord, and illuminate the timing mark with the timing light.





3. Start the engine at idle speed and check the ignition timing.
Ignition timing [BTDC/rpm]:
10° ±8°/650 (MT model)
15° ±8°/700 (AT model)
If the timing is not correct, check the ignition control system.