Thx for the input man my wife's oldest son works for his dad which is a master mechanic and they sd for me to get 2 sea foam and the same thing add it w/tank of high test which in in GA so that may be the trick lmao thx
That's f'd up about GM not honoring a warranty they repair my AC hose no questions asked at about the same milage about 2 yrs after I purchased but they got me on the condenser radiator for AC I was at 100,005 miles ran out at 100 even though its a known issue w/the 5.3s and they wouldn't fix it cost 800 luckily it was a cheap fix not that that is cheap hopefully you get their ass cause that ain't rt