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2009 Chevrolet Cobalt 2.2L with engine code P0442, what is the meaning of the code?

Vehicle: 2009 Chevrolet Cobalt 2.2L

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Hi there,

With this code the best method for diagnosing is to have a smoke test done. This will show the smallest leak, then you can repair the faulty component yourself.
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P0442 CHEVROLET Code - Evaporative Emission Control System Leak Detected Small Leak
Read more: https://www.autocodes.com/p0442_chevrolet.html

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