Standard Ignition AC477 idle air control valve for the 2002-2006 Toyota Corolla 4-cylinder 1.8L and other vehicles controls the air that keeps the engine idling. A stepping motor moves the pintle to meter air around the closed throttle, which holds idle speed steady.
A rough or hunting idle, stalling at stops, or an idle speed that sits too high or too low can point to a worn idle air control valve. A vacuum leak, a dirty throttle body or a faulty throttle position sensor can be behind those signs too, so find the cause before buying a new valve.
It also fits the 2003-2006 Toyota Matrix 4-cylinder 1.8L and the 2003-2006 Pontiac Vibe 4-cylinder 1.8L.
Fit and size
Build and materials
One idle air control valve with a gasket or seal. This listing holds one valve, and the car takes one.
Is the AC477 an idle air control valve for the 2003-2006 Toyota Matrix 4-cylinder 1.8L?
Yes. The Standard Ignition AC477 is listed for the 2003-2006 Toyota Matrix with the 4-cylinder 1.8L engine, and that car takes one valve.
Will this idle air control valve work on the 2003-2006 Pontiac Vibe 4-cylinder 1.8L?
Yes. This valve is listed for the 2003-2006 Pontiac Vibe with the 4-cylinder 1.8L engine, and one valve is needed.
Does the AC477 come with a gasket or seal?
Yes. The Standard Ignition AC477 includes a gasket or seal. The listing holds one idle air control valve.
How many terminals does the Standard Ignition AC477 connector have?
The AC477 has a rectangular connector with 3 terminals. It also has 2 hose connectors.
What kind of magnet does this idle air control valve use?
It uses a polymer-blended, isotropic neodymium/iron/boron magnet for accurate control of the pintle and airflow. The motor also has a shielded ball bearing that resists environmental contaminants.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
