Acura & Honda EGR Valve Testing and Replacement

How to test and replace an EGR valve (exhaust gas recirculation valve) for Acura, Honda and most vehicles.

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The EGR valve recirculates exhaust gas through the intake manifod and into the combustion chambers. This reduces oxides of nitrogen emissions (NOx).

P0401 - EGR Insufficient Flow
P0404 - EGR Control Circuit Range / Performance Problem
P0406 - EGR Valve Position Sensor Circuit High Voltage
P2413 - EGR System Malfunction

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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