Throttle Body: Testing and Inspection

On-Vehicle 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.