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Eng. Fault code PO446 Evap. System need Help.
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06-18-2009, 07:20 PM
HUMTECH
Hummer Authority
Join Date: Sep 2003
Location: Canada
Posts: 1,251
Re: Eng. Fault code PO446 Evap. System need Help.
A loose gas cap will set a p0455, evap system large leak detected
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1987 Jeep YJ 403hp sbc 653hp on NOS
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2007 Chev Trailblazer SS
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