P0449 on 09 Cobalt

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May 22, 2011 | 2:50 PM

GZSS

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P0449 on 09 Cobalt

I bought the Evap Purge Solenoid now i need to know how to replace it. Told it was not hard. Do you unhook the battery

May 22, 2011 | 7:45 PM

EinST

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Joined: Mar 2011

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Welcome to the forum.

The first thing, you'll want to return that part. P0449 means EVAP Vent Solenoid Control Circuit. For another, more often than not, it's an electrical problem rather than anything to do with the solenoid itself.

Jun 29, 2011 | 4:49 PM

DaveFehringer

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What should I check first if if am also showing this code? (P0449)

Jun 30, 2011 | 4:49 AM

EinST

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Welcome to the forum.

Try searching for P0449? For example, see my response in thread https://chevroletforum.com/forum/impala-14/p0449-43122/.

Jul 1, 2011 | 9:57 AM

Chevrolet Customer Service

Official GM Rep

Joined: Mar 2010

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From: Global Headquarters in Detroit, MI

DaveFehringer,

I am sorry to hear that you are experiencing this issue. Have you confirmed with your dealership what these codes mean?

Thank you,
Elizabeth, Chevrolet Customer Service