How To Clean Idle Air Control Valve

In this video i show you how to get to the throttle body and idle air control valve on your car how to clean them what are some symptoms of a dirty or clog.

If the idle air control valve is malfunctioning it will cause the engine to idle rough too low too high or irregular. I would like to share with you some tips on how to clean idle air control valve should you be faced with the same situation. Part 1 of 2. Spray the unit with choke carburetor cleaner and use a cleaning rag to remove all carbon buildup from the idle air control valve.

The cure for this condition is to clean the valve with some aerosol throttle cleaner or engine top cleaner. Work the spindle back and forth to clean away all deposits found there. Hold the valve pointed downward and spray the pointed end of the valve with carburettor cleaner and wipe it clean. Disconnect the air intake ductwork from the throttle body.

Start the engine and take note of the idle rpms. Step 4 hold the valve pointed downward and spray the pointed end of the valve with carburetor cleaner and wipe it clean. One common problem is a buildup of carbon or fuel varnish deposits in the idle speed control valve. Prepare for the job of cleaning the idle air control valve iacv materials needed.

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Wait a minute for the engine idle to level off then use a pen and paper to write down the rpms that your engine settles and idles at. Follow these common instructions. Detach the screws of bolts that are occupying the idle air control valve. Also clean the throttle body while the butterfly valve is exposed.

Insert the key into the ignition and start the engine. Cleaning the idle air control valve on any car equipped with this valve is fairly straightforward. Remove the screws or bolts holding the idle air control valve on the block. You may need to let the engine run for a few minutes in order for it to come down to its normal idle speed.

Step 4 reassembling the unit.