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Old 11-09-2013, 02:06 PM   #1
cedens
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Join Date: Mar 2013
Location: Oklahoma
Posts: 122
P0442 Error

Okay about once a week my Check engine light comes on, usually after it sets a day with half a tank of fuel.

The DIC will say "tighten gas cap" on occasion, and i did swap for a new gas cap, and i put the damn thing on with a jack hammer every time i stop for fuel.

any ideas on what causes the issue

the truck is a 20 2500HD with the 6.0
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