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  1. #1

    Default Replacing Fuel Tank Evaporator Control

    Hello all,

    I have an 05 Tahoe LT with the dreaded engine light and corresponding "Tighten Fuel Cap message". I replaced the fuel cap and the light remains. I have been tripping code P0440 for about two years. My research shows the Fuel Tank Evaporator to be a common problem on these trucks. My question: Does anyone have a .pdf of the service manual procedure so I can save the money and replace it my self? My inspection is due soon and it won't pass with the CEL on. Thanks.

  2. #2

  3. #3
    Legend 2ToNe04's Avatar
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    check for any leaks along the fuel lines.

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  4. #4

    Default

    Lines are dry. I have the evaporator in hand, just looking for the service manual procedure to change it. I'll probably just buy the all data on line version for this truck.

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