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P0409

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P0409 OBD-II Trouble Code: Exhaust Gas Recirculation Sensor "A" Circuit
P0409 P0409 code definition P0409 is a generic OBD2 diagnostic trouble code pointing to an issue with the exhaust gas recirculation circuit. This code may be seen with other EGR codes. What the P0409 code means The P0409 code is...

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