Tacoma Extra Cab 4WD L4-2.7L (3RZ-FE) (1999)
/Page-886001.png)
Throttle Body: Testing and Inspection
On-Vehicle Inspection
1. INSPECT THROTTLE BODY
a. Check that the throttle linkage moves smoothly.
b. Check the vacuum at each port.
-
Start the engine.
-
Check the vacuum with your finger.
2. INSPECT THROTTLE POSITION SENSOR
a. Disconnect the sensor connector.
b. Apply vacuum to the throttle opener.
c. Using an ohmmeter, measure the resistance between each terminal.
d. Reconnect the sensor connector.
