Car Repair World

Idle Control Valve Replacement Safety Tip: Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes. 1 Refer to your vehicle's owner's manual for the specific location of your OBDI or OBDII connection. 2 Turn your key to the ON position so that the scanner can receive the code(s). 3 Plug your scan tool into the OBD connection, turn on the scan tool and select the appropriate steps to read the code. 4 Refer to a vehicle specific repair guide for resistance specifications for your engines idle control valve. If the resistance is out of specifications, the TPS must be replaced. 5 Locate the idle control valve. 6 Disconnect the idle control valve from its mounting point and wiring harness. 7 Install a new idle control valve along with a new gasket. Clean the mounting surfaces of the old gasket prior to installation. 8 Erase...

Idle Air Control Motor IAC Replacement Car Idle Motor Replacing Procedure Helpful Information The idle air control motor or idle speed control motor is designed to adjust the air flow into the intake manifold at engine idle. Engine idle speed is monitored by the PCM which commands the idle air control motor to close or open to achieve the desired rpm. The air bypass port in the throttle body is used to feed the idle speed control motor. When an idle air control motor malfunctions it can cause the engine either to idle too high or too low, or stall the engine all together. This condition will usually illuminates the check engine or service engine soon light. After the job is complete and the engine has been started, it can take some time before the idle air control can recalibrate itself, engine stalling, high and low idle are normal until a few run cycles are completed. Occasionally is it necessary to hold the throttle open long enough for the computer to take over control of...