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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Engine Mechanical (Service Information) - 2.0L) >> Engine Tune-Up >> Idle Speed Adjustment

Idle Speed Adjustment

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the inductive pick-up type tachometer to the high-tension lead.
    NOTE:
    • The inductive pick-up type tachometer may indicate double engine speed.
  2. Connect SSTs  (WDS or equivalent) to data link connector.
  3. Start engine and idle it.
  4. Carry out self-test function.
  5. Turn head light switch to passing position more than three times while each "passing" for 2s  .
  6. Make sure the engine speed is fixed.
    CAUTION:
    • The throttle adjusting screw is set at the factory and must not be adjusted. Any adjustment may affect engine performance.
  7. Adjust the idle speed to the following specifications by turning the air adjusting screw within 2 minutes after the headlight switch is turned to passing position more than three times.
    Fig 1: Adjusting Air Adjustment Screw
    G01136238Courtesy of MAZDA MOTORS CORP.

    Specification

    MTX: 550-850 (700 +/- 150) RPM 

    ATX: 500-800 (650 +/- 150) RPM 

  8. Reinspect idle speed. See IDLE SPEED INSPECTION .
    • If not as specified, readjust idle speed after following harnesses.
      • From battery to combination switch.
      • From combination switch to PCM
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