6E2-22 ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE)
Air Intake System
Throttle body
THROTTLE BODY COMPONENTS
ON-VEHICLE INSPECTION
1) Check that throttle valve lever moves smoothly.
2) Measure plunger (1) protrusion “a” at engine coolant temp. is
25°C (77°F).
Plunger protrusion
“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 (1) at engine coolant temp. is 52
– 68°C (126 – 154°F).
If check result in Step 2) or 3) is out of specification, replace throt-
tle body assembly.
1. Throttle body 3. Breather hose 5. MAF sensor 7. Fast idle up thermo wax
2. Intake collector 4. Water hose 6. TP sensor
2. Fast idle control cam
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