Evap Emission Control System Vent...

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April 2nd, 2012, 9:09 AM

Silverado2003

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Evap Emission Control System Vent...

Hi, I read the codes after getting a check engine light and they are;
P0449- Evap Emission Control System Vent viv/sol malf.

P0455-Evap Emission Control System leak (Large)

What should I check?

Thanks!

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April 2nd, 2012, 4:33 PM

grumpychevy

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Start with the gas cap.

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April 4th, 2012, 7:42 PM

steel horse rider

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P0449

Started getting this code on my 07 Classic with the 4.8 Found a possible solution in the Suburban and Tahoe section.

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April 4th, 2012, 9:17 PM

SweetEmotion

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yeah seen this a bunch 90% mostly gas caps.

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