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Home >> Chevrolet >> 1985 >> Nova Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Servicing >> Fuel Evaporative Emission Control System >> Throttle Position Switch
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Throttle Position Switch

  1. Connect tachometer to engine. Start engine and warm to normal operating temperature. Disconnect throttle position switch connector. Connect ohmmeter between throttle position switch connector and ground.
  2. Slowly raise engine speed. Check throttle position switch setting speed when ohmmeter shows continuity. Setting speed should be 1600-2000 RPM. Adjust setting speed using throttle position switch adjusting screw.
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