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Duramax Fifth Generation: 2011-2016 (LML) Discuss the fifth generation (2011-2016) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.


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Old 06-13-2017, 11:39 AM   #1 (permalink)
Coyote hunters diesel
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2013 limp mode

Start up the stock 13 lml today and the check engine light is on and into limp mode automatically. I suspect the PDF is clogged even though I don't know how as I put on about 900kms on the highway the last two days. Can't climb any small hills and I can get about 35kms/hr out of it on the flat.

Can a guy clear the code and get it into a regen?

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Last edited by Coyote hunters diesel; 06-13-2017 at 11:43 AM.
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Old 06-13-2017, 12:52 PM   #2 (permalink)
drperry
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You need a service tool to force a service regen.

Sent from my SM-G930W8 using Tapatalk

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Old 06-13-2017, 02:27 PM   #3 (permalink)
Coyote hunters diesel
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I drove it again and it's out of limp mode but just keeps regening. I drove it for 45 minutes and it goes through a regen and then right back into a new one.
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2017 GMC 3500 Denali SRW
2 level lift
285/75 Nitto EXo Grapplers

2013 GMC Crew
2" level
Duratracs

2007 GMC Crew
2" level
K&N Cold Air
4" exhaust
Diablo Predator
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