toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Oxygen Sensor > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Locations|Page 867
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Mixture Control Solenoid: Testing and Inspection

1.

Remove air cleaner cover and air filter.

2.

Start engine.

3.

Disconnect vacuum hose from mixture control valve.

4.

Ensure there is no vacuum at air inlet of mixture control valve.

5.

Connect vacuum hose and ensure vacuum is momentarily felt at air inlet.

6.

Install air filter and air cleaner cover.

Oxygen Sensor > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Locations|Page 867