Having problems with your 2005 Dodge Caravan ?

What will be wrong if I got code p0406 and p 404

Posted / edited by AnonymousUser on : 08-08-2022

Answers :

Both codes po406 and po404 refer to a fault in the EGR system
\015\012Po404 > Exhaust Gas Recirculation Circuit Range/Performance not within proper range.
\015\012Po406> Exhaust Gas Recirculation Sensor A Circuit High (meaning the circuit is open or disconnected)
\015\012Without actualy checking the voltages (wiring)
\015\012Replace the EGR valve
\015\012clear codes
\015\012test drive
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