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Home >> Toyota >> 1995 >> Land Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Throttle Controls >> Throttle Opener
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Throttle Opener

  1. Warm engine to normal operating temperature. Ensure idle speed is correct. See IDLE SPEED & MIXTURE in the ADJUSTMENTS article.
  2. Disconnect/plug vacuum hose at throttle opener, located on side of throttle body. Start engine and note engine speed. Engine speed should be within specs. See THROTTLE OPENER SPECIFICATIONS  table.
  3. If engine speed is not within specification, replace throttle body. Shut engine off. Reinstall vacuum hose on throttle opener. Start engine and ensure engine returns to proper idle speed.
THROTTLE OPENER SPECIFICATIONS

Application (1) RPM
Land Cruiser 700-1000
(1) Check with engine at normal operating temp. and with electric cooling fan turned off (if equipped).
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