Air flow goes to defrost randomly

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Aug 11, 2006

#26

V8 Level II

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From: Michigan

Quote:

Originally Posted by TXranger4x4

i have having a problum too.....my A/c blows out the deforster also but when i put it in 4x4 and then turn it off it works....i do not know what to check and i would really like to find out cuz it gets up to 110 here and its hummide as hell......any1 have any ideas??????

I think you have a vacuum leak in either the A/C system or in the Pulse Vacuum Hublock system.

Aug 11, 2006

#27

GubNi

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From: Johnson City TN

I replaced my DPFE sensor again today and that fixed my EGR flow code.

Aug 11, 2006

#28

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From: Michigan

Quote:

Originally Posted by GubNi

I replaced my DPFE sensor again today and that fixed my EGR flow code.

Good deal. Let's hope that's the end of the EGR problem.

Aug 11, 2006

#29

jtslmn720

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From: Kent State, Kent Ohio

ok bob, my truck idles in park at 15-16, 20's when im moving, i dunno why i said 20 before....

i checked all my lines and cant find a leak, but some of the connections are in hard to reach places like under that cansiser in the back passenger side of the engine...

Aug 12, 2006

#30

jtslmn720

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From: Kent State, Kent Ohio

ok so i had to take my brother to ford today to check his feul pump, so i had them look at my truck and it ended up being a cracked vacuum line somewhere....

so it only ended up being 45$ to labor, and i got a new line for free, not sure if this helps you out or not but it might be and option to get it checked out....