EGR Valve and Boost Pressure - Ford Powerstroke Diesel Forum
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Old 03-27-2007, 04:57 PM
RET RET is offline
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EGR Valve and Boost Pressure

Anyone know why this is?

My truck’s max boost is about 25-28 on the stock gauge.

If I disconnect my EGR wire I can only hit about 22 max, I even plugged in a 2nd dummy EGR valve and the max boost is still about 22?

Any thoughts?
Thanks
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Old 03-28-2007, 08:51 AM
RET RET is offline
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Nice Document here

http://www.motorcraftservice.com/vdi.../Dobdsm305.pdf
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Old 03-28-2007, 09:25 AM
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You need to make sure the valve is closed before you unplug it. It the EGR is open when you unplug it, the valve will stay open.
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Old 03-28-2007, 06:00 PM
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Quote:
Originally Posted by nummit View Post
You need to make sure the valve is closed before you unplug it. It the EGR is open when you unplug it, the valve will stay open.
Yup...I have that covered, and the truck runs good in all ranges (I'd say better in low to mid)...just a tad less boost when ran WOT.
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