Question about 2005 Chevrolet TrailBlazer
P0442 Means you have a leak in your EVAP system.
The EVAP system prevents gas vapors from entering the air .
This code can be set by a leak in the lines or a clogged charcoal canister.
Most common reason is If you did not put your gas cap on all the way.
Hope this helps
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Posted on Mar 03, 2011
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Posted on Jan 02, 2017
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