» » »

Buick Q&A

Ask Your Question

2002 Buick Regal Question: PO443



Stevena, 3.8L V6 Supercharged, Arlington, TX, July 03, 2010, 21:11

The engine light is always onwith the following message "PO443-Evap emission control purge valve C fault". The car doesn't pass inspection.

1 Answer
Flag This
  • Answer #1

    July 03, 2010, 21:41

    need to have diag to find problem. a scan tool will activate the purge valve and turn it off. could be anything from a bad valve to a computer. take it to a shop.


    Flag This