toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 3118 > < Throttle Body|Specifications|Page 3115
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Throttle Body: Testing and Inspection
On-Vehicle Inspection

INSPECTION

Throttle Body Inspection

1. Check that the throttle linkage moves smoothly.

2. Start the engine and check for vacuum with your finger.

Port P: no vacuum at idle, vacuum off idle.
Port E: no vacuum at idle, vacuum off idle.
Port R: no vacuum at idle, vacuum off idle.
 

Throttle Position Sensor Inspection

On-Vehicle Inspection|Page 3118 > < Throttle Body|Specifications|Page 3115