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Home >> Subaru >> 1997 >> Impreza Outback >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

Verify idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS and IGNITION TIMING  tables. For adjustment procedures, see ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS

Application RPM
1.8L
With A/C Off 600-800
With A/C On 750-850
2.2L
With A/C Off 600-800
With A/C On 800-900
IGNITION TIMING (Degrees BTDC @ RPM)

Application Auto. Trans. Man. Trans.
1.8L 12-28 @ 700 18-22 @ 700
2.0L 12-28 @ 700 6-22 @ 700
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