I am no mechanic but i would check the TPS MAF IAC sensors im pretty sure a mechanic can check those sensors on OBD reader. And then go from there cause it can also be fuel injectors. The list can go on but i think that should be your cheapest route for now.
Look into amsoil its the best oil to put in any vehicle. Its 100% synthetic not like these other brands than say fully synthetic and is only 20% percent synthetic. You should check them out and oh yeah you can go 25000 miles without an oil change too but dont take my word for it look them up you...
I have a 2020 yukon slt same issue had 67,000 miles. Engine replaced. Dealer replaced engine 2 days later check engine pops up again same issue. They said it was an issue with the wire harness. "Maybe got pinched ironically" but I was suppose to get a phone call this morning nothing yet. I'm...
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