I am using a JLT intake with a Bama 93R tune and just got a CEL. When I pulled the codes, I got P0171 and P0174 meaning I am running too lean. I have driven the car with JLT intake and Bama 93R tune for several thousands of miles without a problem. I'm wondering if the heat and the hills I've been driving in have caused an issue. I am normally at sea level, so would being a few thouand feet up cause a difference and lack of adaptation of the ECU quickly enough?