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Need help with evaporation emission

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Old Jul 14, 2008 | 10:52 AM
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mamabear13's Avatar
mamabear13
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Question Need help with evaporation emission

On my 75 F-150 with 390 engine the canister that ties into the fuel system is different than all images that I have seen in books, even the official shop manual. I have two lines for fuel and two large lines on the top. One is for the cap and the other had a severely rotted cloth/paper material tube. I don't know where this tube is supposed to connect to. Does anyone have any input?
 
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Old Jul 14, 2008 | 12:58 PM
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fmc400
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That tube connects to the air cleaner. It feeds evaporative fumes from the cannister back into the intake stream to be burned.
 
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