Your Questions Answered By Our Experts
What's the difference between idle control valve and auxiliary idle air control valve?
The idle control valve regulates the amount of air that bypasses the throttle plate to maintain a constant engine idle speed. In contrast, the auxiliary idle air control valve regulates the amount of air that bypasses the throttle plate when the engine is cold. The idle control valve is located on the engine and is controlled by the computer. The auxiliary idle air control valve is located on the throttle body and is controlled by a vacuum regulator. When the engine is cold, the auxiliary idle air control valve allows extra air to bypass the throttle plate to keep the engine idling smoothly. As the engine warms up, the auxiliary idle air control valve closes, and the idle control valve takes over.
What Others are Asking
What is the meaning of OBD-II code P0741, and what are the possible causes and solutions for this code to be generated?
The PCM sets the P0741 code if the rotational speed difference between the torque converter and transmission input shaft exceeds 200 RPM, indicating a problem with the torque converter clutch circuit....
What is the meaning of OBD-II code P0137, and what are the possible causes and solutions for this code to be generated?
The P0137 is an OBD-II code indicating that the bank 1 sensor 2 O2 sensor is not increasing its voltage output above .21 volts, signaling excessive oxygen in the exhaust. This occurs when the ECM sees...
Why do ABS light and brake lights are always on?
There are many possible reasons why your ABS light and brake lights may be staying on. There is an issue with the way your brakes are rubbing against the rotors. If the pads are not able to grip the...
Where is the center console compartment?
The center console compartment is usually located in the middle of the vehicle, between the driver and front passenger seats. It may also be located behind the front seats. This compartment often stor...
Why does my car shake when braking at high speeds?
When you brake at high speeds, your car's braking system has to work harder to slow the car down. This can cause the brakes to overheat, which can lead to a condition called "brake fade." When the bra...