Lateral-g Forums - p0446 trouble code? Any idea what this means?

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jcal87

03-14-2010 10:24 AM

p0446 trouble code? Any idea what this means?

This keeps popping up on my truck and from what i have read it is a gas cap issue. Has this happened to anyone else? Its a 2003 silverado 5.3 could this be anyhting serious?

69Camaro

03-14-2010 10:48 PM

Quote:

Originally Posted by jcal87 (Post 275038)

This keeps popping up on my truck and from what i have read it is a gas cap issue. Has this happened to anyone else? Its a 2003 silverado 5.3 could this be anyhting serious?

P0446 is an EVAP code, not anything serious but annoying to have the check engine lamp on all the time. Most likely a sticking EVAP Vent solenoid, located just off the gas tank. Fairly common, but usually presents itself as a p0442.

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