To clean the valve, use a finger to rotate the valve back and forth from stop to stop, while applying gentle bursts of cleaner until the valve rotates freely and doesn't get stuck at the stops.

Can I clean my idle air control valve?

Carbon can build up on an idle air-control valve, making it stick. Cleaning an idle air-control valve can keep you from buying a new part, but only certain idle air-control valves can be cleaned. The idle air-control valve must have a spring-operated valve for cleaning to make it work.

How do you test a idle air control valve on a Toyota?

How do I clean my idle air control valve?

Related Question how to clean idle air control valve toyota

Why does my car rev when idle?

It sounds like you may have a dirty or failing idle air control valve. This valve is controlled by the vehicle's computer and will adjust idle speed based upon other measurements such as engine temperature, intake air temperature and electrical system load or voltage.

What causes rough idling?

A rough idling engine can be caused by spark plugs or spark plug wires. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. A plug that is damaged or installed incorrectly can result in fuel being burned at an inconsistent rate.

How do you reset the idle on a Toyota Corolla?

Why Does My Crankshaft Position Sensor Keep Going Bad?
Is A Flame Tune Bad?