Idle Air Control Valve Replacement | Honda P0505 P1519 

How to quickly test and replace an idle air control valve.
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The idle speed of the engine is controlled by the Idle Air Control Valve, or IACV. After the engine starts, the IACV opens for a certain amount of time. The amount of air is increased to raise the idle speed. When the engine coolant temperature is low, the IACV is opened to obtain proper fast idle speed. The amount of bypassed air is controlled in relation to the engine coolant temperature.
P0505: Idle Control System Malfunction
P1519: Idle Air Control IACV Circuit Malfunction
This will be a helpful video is you have IAC Valve symptoms - such as erratic idle speed, rough idle, or engine stalling.
Note:
Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk. Carsntoys is a member of the Amazon Influencer Program.
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