FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Throttle Body: Testing and Inspection

Checking Throttle Movement:





- Check that the throttle linkage moves smoothly.

Checking Throttle Body Ports:





- Start the engine.
- Check the vacuum at each port with your finger.




Vacuum Readings