Tacoma Extra Cab 2WD V6-3.4L (5VZ-FE) (1998)
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Power Steering Pressure Switch: Testing and Inspection
INSPECTION
1. TURN AIR CONDITIONING SWITCH OFF.
2. CHECK IDLE-UP.
a. Start engine and run it at idle.
b. Fully turn the steering wheel.
c. Check that the engine rpm decreases when the vacuum hose of the air control valve is pinched.
d. Check that the engine rpm increases when the hose is released.
