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2013 GMC Sierra when does the evap vent valve close I have a…

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2013 GMC Sierra when does...
2013 GMC Sierra when does the evap vent valve close I have a code po454
Submitted: 11 months ago.Category: GMC
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Answered in 2 days by:
8/4/2017
GMC Mechanic: Dan, Technician replied 11 months ago
Dan
Dan, Technician
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GMC Mechanic: Dan, Technician replied 11 months ago

What engine do you have? Has valve been replaced?

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Customer reply replied 11 months ago
It's been solved
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