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Jacksfan98

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About Jacksfan98

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  1. Did you notice a drop in your fuel economy after the dealer reprogrammed the ECM after the install of the CAI?
  2. So I installed a GM cold air intake about a month ago and had the dealer load the tune. Since the “tune” was loaded the truck’s fuel mileage dropped 2-3 mpg and the check engine light keeps coming on. Each time the light comes on my Onstar states an emission related issue. The first issue was a vacuum leak at the MAF, then the next was an O2 sensor that needed to be replaced and who knows what it is now. Is it possible the dealer did not load the correct tune into the ECM when the CAI was installed? I would be interested to hear everyone’s thoughts on this issue.
  3. Here is my setup. 7000lbs loaded. Suspension handles it well and the 6.2 tows it with ease.
  4. I want to replace my factory tires with a more agressive tire. Please show me your pictures of aftermarket tires on factory wheels!
  5. I have the Pedal Commander on my 19 AT4 6.2. I also had one on my 16 AT 6.2. Definitely worth the money. I bought 420 hp and I want to feel 420 hp, none of this pedal lag crap! Go buy one and put a smile on your face every time you accelerate!
  6. I too am wondering how you are able to see thru the trailer. My truck has the Tech package and my travel trailer has a camera on the back of it.
  7. I had a 16 AT 6.2 and now a 19 AT4 6.2. Both also had/have Pedal Commanders but I can’t tell which one was/is faster. Both are fast trucks!
  8. My guess the tie rod ends have grease zerks.
  9. 20% I also did the front windshield strip and the black GMC emblems.
  10. Just picked it up on Tuesday! Awesome Truck! Nice improvement over my 2016 AT 6.2.
  11. Pulled the trigger on a new AT4 today. Now I need a tonneau cover. What soft roll up tonneau cover works best with the new multi-pro tailgate and grab handle?
  12. Pulled the trigger on a new satin steel AT4 this morning. MSRP was $64,995 price paid $55032 less trade for my 2016 Sierra 4x4 AT $36,712. I walked out paying $18,500. Pics will be coming next week.
  13. What dealer and where are they located are you working with?
  14. How loud is the performance exhaust in the backseat when you are pulling a trailer and the engine is running between 2600-2800 rpm?
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