3.0 Observations

Big Till 3.0

New member
Jul 12, 2020
Posted this on another forum today...

Bought my 3.0 end of June. Distance driven 6536 miles as of today. 20 miles back and forth to work M-F. Weekends 50 or so miles. 1 road trip in Sept of 700 miles. These are my observations.
Early on regens were occurring 150-180 miles. Regens take around 10-12 miles of driving. Road trip (700 miles) that day regens around 250 miles. Lately my regens are 200-225 miles.
Oil engine temp. This usually mimics the engine coolant temp around 210-220 degrees, however, on the road trip the EOT was around 230-240. The 240 mark was reached when traveling 75mph. I noticed at 70 230 was the norm.
All my info is gathered by my Banks IDash which I highly suggest if you are a info freak like myself.
Other notes: During regens on bank 3 EGR,temps top out around 1100 which is normal on a regen.
My previous diesels were 2005 LLY duramax and my 2016 Colorado with the 2.8 duramax.
This truck so far is the best out of them all. I am averaging 27.16 MPG as of today (using the Simply Auto app).
Just had my first oil change at 5670 miles. My dealer also topped off the DEF which was a little over half on the gauge.
I have a 1500 mile road trip coming up in a few weeks. I will report back with more info. Enjoy.

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