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Q: Cost for fix on P0442 small leak for evap engine leak on 2002 Chevrolet Venture

Not knowing yet what is causing the leak. I am trying to get a general price range to fix including labor.
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Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, or
Inspect the EVAP system for cuts/holes in tubes/hoses
maybe autosnap cr800 can help clear the fault codes.
Thank you! See my response on the 1st reply. I don't know if that changes anything on a possible cost range.
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