I hate vacuum lines
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Elder User
Joined: Jun 2012
Posts: 757
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From: 7th realm of hell, Va.
I hate vacuum lines
So i have been getting EGR codes, valve opening not detected or some such. Well before I go out spend cash on parts I decided to test the EGR valve, EGR valve position sensor. and EGR valve solenoid.
Pulled the EGR valve off and used a hand vacuum pump to test, it works fine.
The EGR valve position sensor appears to be good, resistance values change as valve opens.
Tested the vacuum line from Valve to solenoid, it holds.
Tested vacuum line from solenoid to cannister on passenger side fenderell, it holds.
Getting frustrated now.
So tested vacuum line from manifold to cannister, won't even pull 5 inches of vacuum. Replaced the line
It is now too dark out and I was getting too mosquito bitten to go any further.
I hate vacuum lines
matt
Pulled the EGR valve off and used a hand vacuum pump to test, it works fine.
The EGR valve position sensor appears to be good, resistance values change as valve opens.
Tested the vacuum line from Valve to solenoid, it holds.
Tested vacuum line from solenoid to cannister on passenger side fenderell, it holds.
Getting frustrated now.
So tested vacuum line from manifold to cannister, won't even pull 5 inches of vacuum. Replaced the line
It is now too dark out and I was getting too mosquito bitten to go any further.
I hate vacuum lines
matt
Posting Guru
Joined: Jan 2004
Posts: 2,403
Likes: 4
From: Charlestown, RI
I hear ya. My next project is replacing all of the hard lines with rubber.
BTW, when I got that code on my 93 it was the solenoid. I picked up a few spares from the junkyard and it fixed the issue.
BTW, when I got that code on my 93 it was the solenoid. I picked up a few spares from the junkyard and it fixed the issue.
Posting Guru
Joined: Mar 2010
Posts: 1,113
Likes: 1
From: Northern MN
I used this as a guide:
Rubber Vacuum System Replacement (5.0\5.8 EFI) - Ford Truck Club Forum
Took me like 15 minutes to replace crappy plastic vacuum lines with rubber.
End result: No more vacuum leaks.
Rubber Vacuum System Replacement (5.0\5.8 EFI) - Ford Truck Club Forum
Took me like 15 minutes to replace crappy plastic vacuum lines with rubber.
End result: No more vacuum leaks.
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