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Impreza & Legacy

  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 the 4-CYLINDER IGNITION TIMING SPECIFICATIONS  table. If timing is not as specified, check self-diagnostic system for trouble codes. Repair as necessary. See appropriate G - TESTS W/ CODES article in this section.
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