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My warranty recently expired on my 2015 Chevy Silverado 1500 5.3L and I was wondering if anyone could recommend a tuner for my year truck. I drive about a 100 miles a day at time and would like to get a little more mpg. I have access to 93 in my area as well.
Any help is appreciated.
I’m looking for a tuner or some sort that will provide me with some additional live data. Not really looking for a tune since I have a powertrain warranty through the dealer I bought from. Unless I can tune it and return it back to factory without the ecm registering that there was a tune on the truck.
By Nic Huggins
So I'm not sure if related to my tuner but reading through a lot of other posts and nobody has actually found an answer. My truck is tuned for my 35" tall tires so that the speedometer is correct.
Anyways here is whats going on, I can set cruise control at 67mph, bump it up to 85mph but even if I bump it up to 68 once it hits 68mph it cancels cruise control. At 67mph it will stay on.
Has anyone found a fix? Do I need to get rid of the tune and put an inline correction for the speedo?
As I said, I'm tuned with a bullydog at 34.8inch tires, not sure if this problem was before or after the tune.
By john race
Hi Guys. John here with a 2014 gmc sierra 5.3L. I just got my hptuners gear in the mail. I loaded everything up and I didnt realize the complexity would be so intense. I want to tune for elimination of emissions and hp gains, improved throttle response, and anything else restricting the hp of this motor. I am very fluent with a laptop as I program PLCs invthe industry so taking this on is right up my ally. Any help would be greatly appreciated
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