Showing articles & questions for topic
P0409

Related articles

P0409 OBD-II Trouble Code: Exhaust Gas Recirculation Sensor "A" Circuit
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....

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question