check engine light on code po443 evap emission system purge vent soleniod circuit condition. what does this mean.
check engine light on code po443 evap emission system on 2000 Cadillac DeVille
2 answers 1 comment
It means that the Vent Solenoid near the Fuel Tank is not closing when the the EVAP System self test is run by the Computer. I have replaced several of these on GM vehicles.
thanks. does the gas tank have to be dropped to access or is it under rear seat?
WE GATE A CODE NUMBER - PO443