Can idle air control valve be repaired?
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.
When does the idle air control valve change?
When the engine is running but the vehicle is not moving, this means the engine is idling. During this time, the number of revolutions per minute (RPM) inside the engine will change. The idle air control valve is responsible for managing the engine idle speed.
What to do if your ECU goes bad?
ECU Computer Diagnostics. If you suspect that the electronic control unit in your vehicle is damaged, or is going bad, you should immediately take your vehicle to the nearest dealership, repair shop or service center.
Can a bad air control valve cause an engine to stall?
Sometimes the engine stalling will happen on its own while other times, increasing the load on the engine will cause it to stall. For example, if you turn on your heater or air conditioner when you have a bad idle air control valve, then your engine will probably stall immediately afterward.
What are the symptoms of a bad air control valve?
Usually, a bad or failing idle air control valve (IAC); will produce a few symptoms that can alert the driver of a potential issue: Irregular Idle Speed. So, one of the most common symptoms associated with a problematic idle air control valve (IAC) is irregular idle speed.
Where is the idle air control valve located?
The idle air control valve (IAC) is usually connected to the throttle body next to the intake manifold. Consequently, it is the engine control unit (ECU) that manages all the functions of the valve.
Can a bad idle control valve cause stalling?
This is controlled by the engine’s computer. Sometimes parts go bad, which results in your car idling strangely or stalling. Check to see if your idle control valve is functioning properly before attempting to replace it. Look for a high engine idle. A common symptom of a faulty idle control valve can be a high idle.
How to reset the engine control module ( ECU )?
The 2 most common ways to reset your car computer is by either unplugging the battery or by resetting the fuse related to the engine control module Will disconnecting battery reset ECU? Disconnect the battery and Switch the ignition key to the on position for about 15 minutes should reset the ECU
How long should I Leave my ECM at idle?
You will want to leave your vehicle at idle for at least 10 minutes which will give your ECM enough time to “learn” any new modifications installed on your vehicle.