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ECM:P0449 Error (Help!)

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Old 08-22-2019, 07:06 AM
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Huck19
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Default ECM:P0449 Error (Help!)

Good morning,

Yesterday my car threw a CEL triggered by the above code, so I did some research and learned more about the system. This morning, while letting my 2005 base warm up, it shut itself off while at idle. From what I had read yesterday, this system should not affect driveability... Can anyone help me diagnose this?

Thanks,

Huck
Old 08-22-2019, 08:01 AM
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C6ToGo
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P0449 refers to the EVAP vent solenoid (not to be confused with the EVAP Purge solenoid). Can also relate to a loose or bad gas cap.

Vent solenoid is in the right rear wheel wheel. 13 bucks and easy to replace.

Neither problem should cause rough idle or stalling.
Old 08-22-2019, 01:38 PM
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Huck19
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Thanks for the insight!

Old 08-22-2019, 08:01 PM
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Huck19
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Swapped the vent valve solenoid for a new one a cleared the code, hopefully that’s it...

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