So, we were on a trip and truck was running great no issues and had put 1600 miles into the trip.
Driving along and truck went into limp mode with a P2101, P0152, and a P0300 code.
I had a Jet performance TB on it for about 40k and had sprayed cleaner into it and wiped it all out but did not remove it before trip, I also had cleaned the air filter and MAF sensor as well as changed the oil.
P2101 or P02101 was referencing a dirty TB or TB Actuator, so I took it off and cleaned it til it shined like a mirror inside and out.
Reset code and drove GREAT for about a day and a half then thru the code again, so I triple checked everything and was stressing out about driving home with trailer attached and it going into limp mode when on the freeway.
So I ordered a low priced Amazon alternative TB as where I was there were none locally in stock nor at the GM dealer.
It worked perfectly til we got home and now these 2 codes in the title came up and I reset em and they came back.
Where do you guys think I should start?
I can do most anything mechanically but don't want to start buying parts.
I looked up the codes of course and the likley culprits but I know there are some GM techs on here that may have a better gauge on things than a Google search or GMcodes.com ..lol
TIA Gents