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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Can anyone please tell me what this is?

 
Old 11-18-2017, 03:21 PM
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Without re-reading everything you wrote.. have you checked the foam gasket around the air box ?
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Old 11-18-2017, 03:32 PM
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Yep I just replaced that yesterday
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Old 11-18-2017, 03:53 PM
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That looks like the source vacuum to the vehicle. It looks like the check valve is broken. You want to look for the other side. Mine is a 05 so the hose is different. But this is what it should look like. The other half of the valve will be connected to the line going to a tee. It supplies the IWE and vacuum canister or inside
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Old 11-18-2017, 04:58 PM
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Is yours 2WD or 4WD?
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Old 11-18-2017, 05:17 PM
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My truck is 4x4. Even if yours is 2wd it will have this line. It supplies vacuum to the AC in side the vehicle as well as the IWE if equipped.
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Old 11-18-2017, 05:19 PM
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Have you noticed the AC blowing in defrost? That is a sure sign you have a vacuum leak or no vacuum to the ac system
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Old 11-18-2017, 05:58 PM
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I always turn my ac off before turning off the engine so it always starts in defrost and I have to change it to vent but I thought that was just because I was turning it off before I got out and then turning it back on when I got in. I guess that’s not the way it’s suppose to work huh?
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Old 11-18-2017, 09:25 PM
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For the scanner i use the torque app with the cheap dongle from amazon. Bout $25 out the door.
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Old 11-18-2017, 11:29 PM
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Originally Posted by Heavy_Metal View Post
For the scanner i use the torque app with the cheap dongle from amazon. Bout $25 out the door.
So that particular app and dongle gives you all the love data and what not that afull blown scan tool would?
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Old 11-18-2017, 11:40 PM
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Originally Posted by imneeto View Post
So that particular app and dongle gives you all the love data and what not that afull blown scan tool would?
Yes, for the most part.

I use torque in my truck on a kindle for a bigger screen.

On the PC, I like Forscan software. Both work great
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