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Evaporation leak

(2002 Chevrolet Blazer)
in Boston, MA on May 13, 2010
what constitute an evap.leak,and where to find this leak?
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Popular Answer
on May 13, 2010
This is a pretty large subject. Here is an article I wrote about for 1 of the more common Evaporative System Codes and there are several. You could start with a new gas cap from the dealer, as Chevy gas caps tend to leak after awhile.

http://repairpal.com/OBD-II-Code-P0442
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