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Egr turns off for duration of regen?

Ecopete

Active Member
Dec 27, 2019
166
28
Truck Year
2014
Hi ya all.
Just curious if anyone else has made this observation? I just recently got a bluedriver and as soon as regen starts egr position goes to zero
 

Green Diesel

Active Member
Nov 17, 2015
115
103
Truck Year
2014
That is correct and normal. You need a certain oxygen content in the exhaust during a regen to effectively burn the soot. EGR will mess that up something fierce.
 

Ecopete

Active Member
Dec 27, 2019
166
28
Truck Year
2014
That is correct and normal. You need a certain oxygen content in the exhaust during a regen to effectively burn the soot. EGR will mess that up something fierce.
Thanks, I wondered if that's what's going on!
 
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