Celica GT Convertible L4-2164cc 2.2L DOHC MFI (1997)
Throttle Body: Testing and Inspection
On-Vehicle Inspection
ON-VEHICLE INSPECTION
Throttle Body
INSPECT THROTTLE BODY
(a) Check that the throttle linkage moves smoothly.
(b) Check the vacuum at each port.
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Start the engine.
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Check the vacuum with your finger.
Throttle Position Sensor
INSPECT THROTTLE POSITION SENSOR
(a) Disconnect the sensor connector.
(b) Disconnect the vacuum hose from the throttle opener.
(c) Apply vacuum to the throttle opener.
