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Broken / Missing Vacuum Line(s)

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Old Dec 20, 2025 | 01:05 PM
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Broken / Missing Vacuum Line(s)

Hi folks! I hope everyone is having a great Christmas and holiday season!

We are having some nice weather here in north Texas, so I’m doing a bit of work on my truck that I bought in the summer. I’ve noticed some broken/missing vacuum lines and I’m wanting to get those fixed. One of them is from (what I believe) is the fresh air / recirculated air blend door, and I’m going to find a vacuum line to replace the missing on there. However, I noticed what appears to be another missing vacuum line, but I can’t see where it is supposed to go to. I’m attaching a picture to see if anyone knows. For context, my truck is a 1994 F250 with the 7.3 IDI turbo diesel. Thank you everyone!

 
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Old Dec 20, 2025 | 02:29 PM
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I’ve been doing some more research on this topic online, and from what I’ve found, it is the barometric pressure sensor that the E4OD computer uses for its shift logic, but that the IDIs don’t have a vacuum line attached on them. So it looks like this is all good. Thanks!
 
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Old Dec 20, 2025 | 09:51 PM
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