2000 Cadillac DeVille Q&A

2000 Cadillac DeVille Question: check engine light on code po443 evap emission system

check engine light on code po443 evap emission system purge vent soleniod circuit condition. what does this mean. -
Answer 1
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. -
Comment 1
thanks. does the gas tank have to be dropped to access or is it under rear seat? -
Answer 2
WE GATE A CODE NUMBER - PO443 -
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