Originally Posted by davis_fan
My SES just came on today and im not sure what these codes mean...
P1423- Auxillary emissions control, manufacturer.
also is it dangerous to drive with these problems?
P1423- secondary air injection bank 1,flow too low.
P1421- secondary air injection valve circuit short to ground
It is not dangerous to drive ,it is about auxillary air pump on this vehicle.
It affects emmision, the car would not pass local "aircare programm"
Looks like there is a short to ground related to air pump.