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Home >> Toyota >> 1997 >> T100 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 2.7L >> Throttle Controls >> Throttle Opener
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Throttle Opener

  1. Warm engine to normal operating temperature. Ensure idle speed is within specification. See IDLE SPEED & MIXTURE in ADJUSTMENTS - 2.7L article.
  2. Shut engine off. Disconnect and plug vacuum hose at throttle opener. Throttle opener is located on side of throttle body. Start engine and note engine speed. Engine speed should be within specification. 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 (1)

Application (1) RPM
2.7L 1200-1400
(1) Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped).
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