Ignition Timing: Inspection

2007 Subaru Outback Limited, 4D Sedan, StandardSECTION Inspection
  1. Before checking the ignition timing, check the following item:
    1. Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly.
    2. Check the malfunction indicator light does not illuminate.
  2. Warm-up the engine.
  3. When checking the ignition timing, connect the timing light to the #1 cylinder spark plug cord and illuminate the timing mark with the timing light.
  4. Start the engine and check the ignition timing at idle speed as shown below.

    Ignition timing [BTDC/rpm]: 10°±8°/650 (MT Model) 

    15°±8°/700 (AT model) 

    Fig 1: Checking Ignition Timing At Idle Speed
    G05332933Courtesy of SUBARU OF AMERICA, INC.

    If the timing is not correct, check the ignition control system. <Ref. to BASIC DIAGNOSTIC PROCEDURE . >

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.