Where is the ICV on your 1997 Toyota Corolla what does it look like and how do you fix it?

1. Where is the air control valve located?
2. Where is the idle control valve on a Toyota?
3. What happens if I unplug the idle air control valve?
4. What should a Toyota Corolla idle at?
5. How do you check idle?
6. What would cause the idle to go up and down?
7. Can you drive with a bad idle air control valve?
8. Can idle air control valve cause no start?
9. How much does it cost to fix a idle control valve?
10. Can a bad idle air control valve cause misfire?

Where is the air control valve located?

The IACV is usually located on the intake manifold near the back of the throttle body. Before starting the cleaning process, be sure the vehicle is not running and that the engine is cool.

Where is the idle control valve on a Toyota?

Locate the IAC valve under the hood of the Toyota. The valve is located on the throttle body and is a 4-inch cylinder unit.

What happens if I unplug the idle air control valve?

If it works properly, stopping it would cause panic to your inactive engine. Normally, if you turn on your car, the inactive air control valve will increase and decrease the rpms engine slowly.

What should a Toyota Corolla idle at?

Typically, the idle speed will be set at a value in the range of 600 to 800 RPM, but the exact value will depend on the number of engine cylinders and whether the vehicle is equipped with a manual or automatic transmission.

How do you check idle?

Start the engine and look at the tachometer on the dashboard. Most vehicle's engines will idle at our below one thousand RPMs. If you are familiar with your engine's normal idle, compare that to its current RPMs. If the vehicle's engine is idling well above 1,000 RPMs, it's probably too high.

What would cause the idle to go up and down?

Among the potential underlying causes are vacuum leaks, EGR system malfunctions, malfunctioning oxygen sensors, dirty fuel injectors, fuel pump malfunction, faulty spark plugs, a faulty mass airflow sensor, or a faulty throttle position sensor.

Can you drive with a bad idle air control valve?

Technically, you may be able to drive with a bad IAC—but you should not continue doing so. A bad IAC can potentially lead to stalling, which can compromise vehicle safety. Plus, you won't pass a state emissions test if the check engine light is on due to a bad IAC.

Can idle air control valve cause no start?

4. the car won't start: in extreme cases, the iac valve may cause too much or too little air from entering the engine when you turn the ignition, resulting in engine that cranks but doesn't start.

How much does it cost to fix a idle control valve?

The replacement cost of an idle control valve is anywhere from $120 to $500. The cost of the parts alone will be between $70 and $400+, depending on the make and model of your vehicle. The labor cost should only be around $50 to $100 because it doesn't take that long to remove and replace the old idle control valve.

Can a bad idle air control valve cause misfire?

IT CANT CAUSE A MISFIRE UNLESS YOU HAVE A LEAK AROUND THE INTAKE MANIFOLD TO IDLE VALVE SEAL.