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billti -> Silverado Check Engine Light (9/18/2006 9:45:00 PM)
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The Check Engine Light (CEL) on my 2004 Silverado keeps coming on about every 6 months. The code (P0442 I think) is for a small gas tank evaporation leak or a gas cap not sealing. I am careful to tighten the gas cap after filling up. The truck is still under warranty, and the dealer "fixes" it every time, but it is inconvenient and I am concerned about the cost of repair when the warranty runs out. The dealer has replaced the gas cap at least twice. Is anyone else having this problem with the Silverado? Any suggestions? And will the vehicle pass the safety inspection with the CEL on?
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