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Throttle Opener: 3.0L

  1. Warm engine to normal operating temperature. Ensure idle speed is correct. See IDLE SPEED & MIXTURE in articles listed below:
  2. Disconnect and plug vacuum hose at throttle opener, located on side of throttle body. Start engine. Maintain engine speed at 2500 RPM. Release throttle and note engine speed. Engine speed should be within specification. See THROTTLE OPENER SPECIFICATIONS  table.
  3. Replace throttle body if engine speed is not within specification. Reinstall vacuum hose on throttle opener. Start engine and ensure engine returns to correct idle speed.
THROTTLE OPENER SPECIFICATIONS

Application (1) RPM
2.4L With A/T
2WD 900-1300
4WD 1000-1400
3.0L 900-1800
(1) With electric cooling fan turned off (if equipped).