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2007 Cadillac Escalade Question: evap emission



papito, Egg Harbor Township, NJ, September 23, 2010, 07:21

what does evap emission system control small leak code#po442 mean

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, September 23, 2010, 08:41

    Here is a ton of great info about the P0442 code: http://repairpal.com/OBD-II-Code-P0442

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