Subaru Car 1998-05

Timing Check

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1.8L Engine



The manufacturer does not provide service information related to this topic.

2.0L, 2.5L Turbo & 3.0L Engines



  1. Before checking the ignition timing, ensure the air cleaner element is free from debris, the spark plugs are in good condition, and all hoses are connected properly.
  2.  
  3. Set the transmission in Park for automatic transmissions or Neutral for manual transmissions.
  4.  
  5. Set the parking brake, start and run the engine until normal operating temperature is obtained. Then turn the engine OFF .
  6.  
  7. Insert the cartridge to SUBARU SELECT MONITOR.
  8.  
  9. Connect SUBARU SELECT MONITOR to the data link connector.
  10.  
  11. Turn ignition switch to ON, and SUBARU SELECT MONITOR switch to ON.
  12.  
  13. Select -2. Each System Check- in Main Menu.
  14.  
  15. Select -Engine Control System- in Selection Menu.
  16.  
  17. Select -1. Current Data Display & Save- in Engine Control System Diagnosis.
  18.  
  19. Select -1.12 Data Display- in Data Display Menu.
  20.  
  21. Start engine at idle speed and check the ignition timing.

    Click image to see an enlarged view

    Fig. Location of the data link connector under the driver-s side instrument panel.-typical

  22.  

2.2L & 2.5L Engines



  1. Before checking the ignition timing, ensure the air cleaner element is free from debris, the spark plugs are in good condition, and all hoses are connected properly.
  2.  
  3. Set the transmission in Park for automatic transmissions or Neutral for manual transmissions.
  4.  
  5. Set the parking brake, start and run the engine until normal operating temperature is obtained. Then turn the engine OFF .
  6.  
  7. Connect a conventional power timing light to the No. 1 cylinder spark plug wire. Start the engine and run at idle.
  8.  
  9. Aim the timing light at the timing mark located near the crankshaft pulley.

    Click image to see an enlarged view

    Fig. Using a conventional timing light to check the ignition timing

  10.  

3.3L Engine



  1. Start the engine and allow it to reach normal operating temperature.
  2.  
  3. Connect a Subaru Select Monitor and measure the ignition timing (function mode 07).
  4.  
  5. If the ignition timing is not correct, a component in the ignition control system may be faulty. Perform a fault diagnosis of the ignition control system.
  6.  
  7. When complete, disconnect the monitor and turn the engine OFF .
  8.  

 
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