P0442?! Help
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This is a discussion on P0442?! Help within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; What does this code mean? My check engine light keeps comming on and I clear it with my ecu but ...

  1. #1
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    P0442?! Help

    What does this code mean? My check engine light keeps comming on and I clear it with my ecu but it says small emissions leak. I have checked my gas cap and that's not it.

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  3. #2
    Good news, everyone! xxxxxxxAnub1s's Avatar
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    Suspect the charcoal canister. Get under the back of the vehicle and inspect the lines going to and from the charcoal canister for cracks and other leak sources.
    Cody
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    Good news, everyone!

  4. #3
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    Do you have a stock gas cap? Cuz aftermarket gas caps can have little leaks due to some fitment issues. Also like Anub1s said, if that is not the case, check your charcoal canister lines for any leaks.

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