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2001 Buick Century OBD2 Trouble Code

Tiny
ANDERSONAARON
  • MEMBER
  • 2001 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
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?
Saturday, September 25th, 2010 AT 9:47 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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
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Sunday, September 26th, 2010 AT 2:35 AM

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