Throttle Body: Testing and Inspection

1. Check that throttle valve lever moves smoothly.
2. Measure plunger protrusion "a" at engine coolant temp. is 25 °C (77 °F).

"a": 26.6 - 27.4 mm (1.048 - 1.078 in.)




3. Warm up engine and check to make sure that fast control cam is off cam follower lever at engine coolant temp. is 52 - 68 °C (126 - 154 °F).
If check result in step 2 or 3 is out of specification, replace throttle body assembly.