This how to test how to test electronic EGR valves, this was done on Honda EGR valves with the active scan tool; Autel MP808TS. EGR is exhaust gas recirculation valve. Consider this to show how to test an electronic EGR valve or electronic EGR valve testing or how to test EGR valve with a scan tool (how to an test EGR valve with a scanner). This also covers how to test an EGR valve solenoid since the Autel scanner first tests the sensor/solenoid. I also cover the symptoms of a failing EGR valve which give trouble codes like P0400, P0410, P0402 through to P0408. These include poor acceleration, increased fuel consumption, stalling, etc. This video is done on the 2003 - 2007 Honda Accord and specifically shows how to test Honda EGR valve. The Autel MaxiPRO MP808TS covers the functions of the Honda diagnostic system whoslitically and this is one scanner to get if you work mainly on Honda. The EGR system on the K24A engine is the same for the Accord, Odyssey (2003 - 2008) and Element (2003 - 2006).

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Timestamps:
0:00 - Intro
0:45 - Types & function of EGR valve
1:51 - Symptoms of a failing EGR valve
2:02 - Electronic EGR valve testing (Active test)
4:24 - EGR valve codes
4:40 - Why EGR valves fail