P0026 and P0420
HI - I have a 2005 S40 and I've had a code P0026 come on and off. Now I have a P0026 and P0420 that are on constantly. Could it be something simple like an O2 sensor? The car is over 105k.
use the search please -
https://volvoforums.com/forum/volvo-...-sensor-55267/
https://volvoforums.com/forum/volvo-...-sensor-55267/
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