check engine light on code po443 evap emission system purge vent soleniod circuit condition. what does this mean.
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2000 Cadillac DeVille Question: check engine light on code po443 evap emission system
dandd August 22, 2010, 20:46Master
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.
Replyflchipper, August 30, 2010, 14:22Rookie
thanks. does the gas tank have to be dropped to access or is it under rear seat?
Answer #2Visitor, January 12, 2011, 06:30
WE GATE A CODE NUMBER - PO443