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It seems that my CEL issue has been resolved. At least I hope so. I have driven it past where it was setting off the light in the past and so far its clear. I still need to get a few more miles on...

I will keep the tune confidential then. Sorry for the faux-pas.

I have been trying, unsuccessfully for the last several months, to keep my truck from setting a check engine light "CEL".

I have a V2 and am running version 7.53 and the latest firmware. I have...

Can anyone tell me how to check the CEL code with the V2 on an 07 Duramax?

I did the DPF delete with the new DPF delete software and I seem to have set a code anyway.

I have read everything to..it will plug the filter too often to...not really much difference. All I know, if it is off, no problems.

I decided that I needed to get rid of the DPF for reasons that have been covered in this forum extensively. I will hopefully be able to run a high percentage of biodiesel so I will use this to help...

As soon as I decide on a tuner.

No, I was waiting for the DPF delete before attempting it.

I'll chime in, so I can run something greater than B5. I'm not an expert but from what I read I am assuming that the DPF limits the percentage of Biodiesel you can run due to filter clogging. I would...