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Guest Message by DevFuse

Photo
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P0456 code on a '12 Edge


Best Answer fordtech1 , 22 December 2017 - 04:54 PM

I bet a beer the purge valve is leaking. Cheapest, easiest way to check it is remove it from the intake and see if you can blow through it. Its a normally closed valve. If you can blow through it, its bad. Go to the full post


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6 replies to this topic

#1 OFFLINE   UNYboater

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Posted 22 December 2017 - 02:39 PM

I've gotten this code before on our Edge (Cap-free fuel filler) & some posts seemed to indicate the filler as the likely cause.  I went through the cleaning process, using the fill-tube that's in the spare tire area.  The code went away but returned again after a few months.  This time, the cleaning process didn't help.  I'm thinking it may also be the vacuum purge valve.

Thoughts?  Method to test (short of $6000 worth of testing equipment)? 

Thanks as always!


2012 Edge Limited

2007 Coachmen RV (F-450 chassis v10)

2007 Jeep Wrangler

2001 Porsche Boxster S

2006 Harley FLHTCUSE2








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#2 OFFLINE   fordtech1

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Posted 22 December 2017 - 04:54 PM   Best Answer

I bet a beer the purge valve is leaking. Cheapest, easiest way to check it is remove it from the intake and see if you can blow through it. Its a normally closed valve. If you can blow through it, its bad.
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#3 OFFLINE   UNYboater

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Posted 22 December 2017 - 06:01 PM

I bet a beer the purge valve is leaking. Cheapest, easiest way to check it is remove it from the intake and see if you can blow through it. Its a normally closed valve. If you can blow through it, its bad.

 

On that chance, I picked up a valve on my way home tonight.  Any words of wisdom of removing the old one? 

I have gathered that it's on the back of the engine, near the firewall...I'll take any advice available!  


2012 Edge Limited

2007 Coachmen RV (F-450 chassis v10)

2007 Jeep Wrangler

2001 Porsche Boxster S

2006 Harley FLHTCUSE2


#4 OFFLINE   fordtech1

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Posted 22 December 2017 - 06:11 PM

Really pretty simple. Remove the 2 8mm bolts. Wiggle it and lift out of the intake. The hose is a quick connect so pull the tab back with your thumb and pull the hose off. The hose will snap back on with a simple push. 10 min job tops.
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#5 OFFLINE   UNYboater

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Posted 23 December 2017 - 11:23 PM

Really pretty simple. Remove the 2 8mm bolts. Wiggle it and lift out of the intake. The hose is a quick connect so pull the tab back with your thumb and pull the hose off. The hose will snap back on with a simple push. 10 min job tops.

 

That was the easiest valve replacement I've ever done!  You were right! 

I didn't expect it to be visible without removing anything else or having to reach down behind where human arms aren't supposed to go.  It was done in 5 minutes!  Now to see if the code goes away.

The old one *seemed* to allow a little air pressure to escape but it wasn't dramatic.  We'll see tomorrow! 

Thanks!


2012 Edge Limited

2007 Coachmen RV (F-450 chassis v10)

2007 Jeep Wrangler

2001 Porsche Boxster S

2006 Harley FLHTCUSE2


#6 OFFLINE   fordtech1

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Posted 23 December 2017 - 11:54 PM

 
That was the easiest valve replacement I've ever done!  You were right! 
I didn't expect it to be visible without removing anything else or having to reach down behind where human arms aren't supposed to go.  It was done in 5 minutes!  Now to see if the code goes away.
The old one *seemed* to allow a little air pressure to escape but it wasn't dramatic.  We'll see tomorrow! 
Thanks!


Yeah super easy and a common problem. I bet you fixed it. Either way you ruled out a super common problem. So at a minimum you know Its not the valve.

#7 OFFLINE   UNYboater

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Posted 26 December 2017 - 11:28 AM

CEL went off on its own & all looks well!  Thanks again.


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2012 Edge Limited

2007 Coachmen RV (F-450 chassis v10)

2007 Jeep Wrangler

2001 Porsche Boxster S

2006 Harley FLHTCUSE2









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