I’ve got a 2015 Fiesta ST new to me. It’s fully stock except an high flow air filter. I’ve got a 93 pop tune from dizzy, the other day I had these codes pop up I cleared them on my Cobb a few days ago then today they popped up again. Wondering if anyone knows what’s really causing them and what the extent is if it’s just sensors or something serious etc. Please let me know. Thank you guys
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