2001 Buick Century OBD2 Trouble Code

2001 BUICK CENTURY
200,000 MILES • 6 CYL • FWD • AUTOMATIC
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ANDERSONAARON
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  • 1 POST
The ses light on my 2001 buick century recently came on and was scanned as po446. Im pretty sure its a clogged line. My question is can i just take the vent valve and blow it out with an air compressor?
Sep 25, 2010 at 9:47 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
DTC-P0446 could mean one or more of the following has happened:

Faulty vent valve
Open, short or excessive resistance on Vent valve control circuit
Blockage of vent valve
Bad PCM
Possible SolutionsWith a P0446 OBD-II trouble code, here are some things to try:

Replace Vent valve
Repair open, short, or resistance problem in control circuit
Repair open, or short, or resistance problem in power circuit
Replace PCM
Sep 26, 2010 at 2:35 AM
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