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diesel 3.0

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buelldude

By buelldude
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buelldude Enthusiast

buelldude

Posted
Posted

So the truck is doing well, I put on some AT tires, we go camping and most of the time its off the beaten path. The temps here have drop to low 30's and I have found it nice that it warms up fast. My other Duramax (6.6) would take forever.

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  • 4 weeks later...
Booger T Enthusiast

Booger T

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Posted

They do warm up nice while driving but if you are setting idling it will run on the cool side. I also changed tires, went from the factory so called A/T Goodyear Fortitudes to Duratraks and lost about 4-5 mpg. Nice to be able to get around in the mud without spinning and sliding around. Still averaging 25-27mpg on the highway. Loving it so far at 2800 miles.

  • 2 weeks later...
  • 5 months later...
SeaDogAther Enthusiast

SeaDogAther

Posted
Posted
On 3/1/2020 at 10:07 PM, bobbobtar said:

This is one of my first mods: https://www.autostopeliminator.com/collections/most-popular/products/2019-silverado-sierra-autostop-eliminator  took about half an hour to do plug and play, now my default is off and by pushing the Auto Stop button it turns on, which I have only done once. Also works on 2020's

I've been thinking of doing this mod too, did you notice any appreciable drop in MPG around town?

bobbobtar Enthusiast

bobbobtar

Posted
Posted

Didn't notice any loss in mpg, but with the mod you can turn it back on, the default setting is off.

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  • 2 weeks later...
swervin36 Enthusiast

swervin36

Posted
Posted

I took my truck in about 3 weeks ago to get the exhaust sensor replaced, and a couple of other issues.  Since I got the truck back, I can't remember the truck shutting off.  It used to do it at a couple of redlights on the way to work or when sitting in the drive thru.  Don't know if I need to take the truck back or  just let it go.

 

  • 4 weeks later...
  • 7 months later...
SWBuckeye Enthusiast

SWBuckeye

Posted
Posted
On 8/24/2020 at 7:44 PM, swervin36 said:

I took my truck in about 3 weeks ago to get the exhaust sensor replaced, and a couple of other issues.  Since I got the truck back, I can't remember the truck shutting off.  It used to do it at a couple of redlights on the way to work or when sitting in the drive thru.  Don't know if I need to take the truck back or  just let it go.

 

I had my '20 High Country into the dealer for that sensor at the beginning of COVID and it took 7 weeks to get it back as they were shut down for the virus + GM redesigned it and it got a new part #.  After I got it back, mine didn't shut off for several hundred miles....maybe up to 1,000 miles. But it resumed after that. So, I'm guessing that is normal as it had to "relearn" the system??? Not really sure.

  • 3 months later...
speedjunky78 Enthusiast

speedjunky78

Posted
Posted
On 2/18/2020 at 7:32 AM, Booger T said:

They do warm up nice while driving but if you are setting idling it will run on the cool side. I also changed tires, went from the factory so called A/T Goodyear Fortitudes to Duratraks and lost about 4-5 mpg. Nice to be able to get around in the mud without spinning and sliding around. Still averaging 25-27mpg on the highway. Loving it so far at 2800 miles.

 

What tire size did your truck come with and what size did you go to?

 

May may need a calibration if you went to a larger size tire. The larger size will not only mess up your MPH, but also you MPG and shift points. If you went up, I would recommend this. It may get you those MPG's back.

Booger T Enthusiast

Booger T

Posted
Posted
On 8/18/2021 at 4:05 PM, speedjunky78 said:

 

What tire size did your truck come with and what size did you go to?

 

May may need a calibration if you went to a larger size tire. The larger size will not only mess up your MPH, but also you MPG and shift points. If you went up, I would recommend this. It may get you those MPG's back.

Stayed with stock tire size, 265/65/18's  currently am running the Fortitudes for the summer. 26K on truck now and am still very pleased with it.

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