Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Error code P0488
Read the whole of this thread Bro. It has almost e erything experienced Xtrail deisel owners on here know about the EGR valve.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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3/Apr/2017, 7:50 am
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Error code P0488
The code seems to indicate that the PCM is trying to determine the position of the EGR valve based on its command signal, so if you have the valve disconnected then it will never get a return signal.
Try having the EGR valve connected to the wiring but not installed and see if that removes the code. I'm not sure if having an EGR valve connected like this is OK and hopefully one of the more knowledgable diesel members will come along and confirm.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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19/May/2020, 11:26 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Error code P0488
I would have thought you needed to plug or close off the tube from the exhaust somehow too.
Yes, I'm suggesting leaving the EGR valve connected to the wiring harness so electrical signals are still sent and received that way "fooling" the ecu into thinking the valve is still installed.
Go googling a few diesel forums. I'm sure there are plenty of discussions on EGR deletions.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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12/Jun/2020, 4:58 pm
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