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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 234 (Engine Mechanical [Intake-Air System]) >> Throttle Body Inspection >> Throttle Valve Inspection

Throttle Valve Inspection

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the throttle body. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION  .)
  2. Open the throttle valve from the closed position to open fully by hand.
  3. Verify that the throttle valve moves smoothly.
    • If cannot be verified, replace the throttle body. 
  4. Release hand from the throttle valve when at the fully open position.
  5. Verify that the throttle valve returns to the closed position smoothly by spring force.
    • If cannot be verified, replace the throttle body. 
  6. Press the throttle valve from the closed position to the fully closed position by hand.
  7. Verify that the throttle valve move approx. 5°.
    • If cannot be verified, replace the throttle body. 
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