Car Repair World

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...

Starter Motor Replacement Replacing Car Starter Motor Helpful Information A starter motor is designed to crank an engine over and allow the internal combustion process to begin. Starter operation can fail for many reasons producing different results, a rapid clicking noise could mean a battery is low on charge. The battery must be in good working order, with a proper state of charge for a starter motor to work properly. Battery cables can cause starter problems as well, inspect the cables for corrosion, melted or bulged insulation, a starter's lifespan can be shortened if a high resistance connection exists. Tool and Supplies Needed Replacement starter motor Socket set Wrench set Hydraulic jack Jack stands Protective eyewear and gloves Flashlight Screwdriver set History Starter motors have gone through many changes as they have evolved from a hand crank protruding from the front of the vehicle. The starter motor became an industry standard soon after the fir...