Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the car.

rusEFI supports both solenoid-type IAC out of the box (well, with a fly-back diode - 1 or two wire) and stepper motors (4 to six wires, add-on board from eBay required) By default Idle control is in ...

The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...

Intro: A graph of your car’s idle speed shouldn’t resemble architectural plans for a new Cedar Point roller coaster. Once the car warms up to normal operating temperature, it should run in a smooth ...

Code and schematic used to actuate a solenoid valve routed in parallel with the throttle body used to regulate the idle speed of an engine. Project inspiration was to replace the failed and ...

Here’s a step by step on how to DIY clean the air throttle body and idle air control valve. Let's check it out! Drivers are always concerned about how much it would cost them to fuel up every day!

Recently, the idle in my 1994 Cadillac DeVille stays up high. This happens when slowing to a stop. Once I stop, the idle drops down to normal. It’s like the gas pedal is sticking. I checked the pedal, ...