When my truck is running the c02 line collapses

Tiny
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  • 2001 FORD EXPEDITION
  • 5.4L
  • V8
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  • 230,000 MILES
Is this normal? If not what could be the cause?
Wednesday, April 17th, 2019 AT 4:10 PM

9 Replies

Tiny
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Good evening,

What line are you referring to? CO2? Do you mean a vacuum line?

Roy
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Wednesday, April 17th, 2019 AT 4:41 PM
Tiny
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Good evening, it is the Fuel Vapor Separator Tube Assembly. I hope this helps. Thanks,

Bill
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Wednesday, April 17th, 2019 AT 5:05 PM
Tiny
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That would be the line for the EVAP system. It is a hard line.

Can you post a picture of this line?

Roy
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Wednesday, April 17th, 2019 AT 5:21 PM
Tiny
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It is number two on the diagram you have. It looks like the original tube. Mine is rubber not hard.
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Wednesday, April 17th, 2019 AT 5:27 PM
Tiny
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Okay, got it.

The canister purge valve. Is what it hooks to. If it is drawing a vacuum, it could collapse the hose.

Roy
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Wednesday, April 17th, 2019 AT 5:38 PM
Tiny
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Is that normal? Should it be a hard tube or a rubber hose?
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Wednesday, April 17th, 2019 AT 5:53 PM
Tiny
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That line is rubber. Being sucked shut is not. The line may be worn out and soft.

I would replace it.

Roy
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Wednesday, April 17th, 2019 AT 6:00 PM
Tiny
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That's what I was thinking. I just ordered a new one. Thank you for your help.

Bill
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Wednesday, April 17th, 2019 AT 6:06 PM
Tiny
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You are welcome.

Glad to help.

Roy
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Wednesday, April 17th, 2019 AT 6:10 PM

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