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Home >> Subaru >> 1998 >> Legacy Outback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Ignition Timing
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Ignition Timing

  1. Ensure engine is at normal operating temperature and idle speed is correct. Set transaxle in Neutral (M/T) or Park (A/T) position. Connect timing light to No. 1 spark plug wire.
  2. Observe timing marks, located on crankshaft pulley. See IGNITION TIMING  table. If timing is not as specified, check self-diagnostic system for Diagnostic Trouble Codes (DTCs). Repair as necessary. See TESTS W/CODES article in this section.
IGNITION TIMING (Degrees BTDC @ RPM) (1)

Application Auto. Trans. Man. Trans.
Forester 15 @ 700 15 @ 700
Impreza & Legacy
2.2L 20 @ 700 14 @ 700
2.5L 15 @ 700 15 @ 700
(1) To improve stability, timing is controlled while engine is idling. Timing range is plus or minus 8 degrees (all vehicles).