Quote:
Originally Posted by auto hauler
hello i have a 2009 6.7 with 72,400 miles on it i have never seen my overhead display say i was in regen mode is this normal. also my perform service is on i found out that it is for emissions JUNK i pulled the ccv filter out to replace it and found oil in the housing is this normal or not. i dont have anything done to the truck yet dont wanna void warrety just yet. however the truck is used everyday for about 500-600 miles delivering new ford to dealers in pa and nj so it does get a waork out i haul 3-4 cars a times on a wedge trailer weighing about35,000. hope im not killing the truck. any help or suggestions would b greatly appericated espcalliy how to get better fuel mileage.
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You won't get a message when it's in regeneration. The only way to tell is if you have a Exhaust Gas Temp (EGT) Gauge because the temp will rise. When Towing it may never go into a forced regeneration but rather a passive regeneration is taking place because when loaded the EGT is already hot enough to clean the DPF. As for the CCV I found out early that if you wait for the warning on the display you waited to long to change it.
Cummins 6.7L Closed Crankcase Ventilation (CCV) Filter Change
Here's a few links on the DPF and regeneration.
Cummins 6.7L DIESEL PARTICULATE FILTER (DPF)and Diesel Oxidation Catalyst (DOC)
6.7L Cummins Forum
Cummins 6.7L Exhaust System Information