Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below threshold

Toyota Corolla (E120): Catalyst system efficiency below threshold

Dtc p0420 catalyst system efficiency below threshold (bank 1)

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Circuit description
The rotary solenoid type idle air control (iac) valve is located under the throttle body and intake air bypassing the throttle valve flows into the iac valve through the passage. In this way the intake air volume bypassing the throttle valve is regulated, controls the engine speed. The ...

Favorites list setting
Up to 15 contacts (maximum of 4 numbers per contact) can be registered in the favorites list. ■ Registering the contacts in the favorites list 1 Select “Add Favorite”. 2 Select the desired contact to add to the favorites list. Dimmed contacts are already stored as a favorite. 3 Chec ...

Sliding roof/convertible
Service data Torque specification Engine hood/door Torque specification Exterior/interior trim Torque specification Cruise control Service data Torque specification ...