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Home >> Mazda >> 2002 >> Protege DX, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical 2.0L >> Engine Tune-Up >> Engine Tune-Up Preparation

Engine Tune-Up Preparation

  1. Warm up the engine to normal operating temperature.
  2. Shift the transaxle into neutral.
  3. Turn off all electrical loads.
    • Headlight switch
    • Fan switch
    • Rear window defroster switch
    • A/C switch
  4. Verify that the steering wheel is at straight ahead position.
  5. Connect the SSTs  (WDS or equivalent) to the DLC-2.
  6. Access RPM PID.
  7. Wait until the electrical fan stops.
    Fig 1: Connecting Scan Tool
    G01187521Courtesy of MAZDA MOTORS CORP.
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