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Check engine light on code po443 evap emission system

(2000 Cadillac DeVille)
in Marion, MA on August 22, 2010
check engine light on code po443 evap emission system purge vent soleniod circuit condition. what does this mean.
Displaying 2 answers & 1 comments
Popular Answer
on August 22, 2010
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.
on August 30, 2010
thanks. does the gas tank have to be dropped to access or is it under rear seat?
on January 12, 2011
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