Originally Posted by tylerbryant
i finished my swap today. i have the tgv circuit open codes as expected but when i started to drive i got a p0171 lean bank 1. i got the code under load doing about 50mph so im assuming MAF sensor?
BTW i feel a huge difference in the car. i dont have ACVS hooked up as im running the usdm ecu and its amazingly responsive and way more throaty.
That just means one of the air fuel learning trims has become maxed out. You just need to have it tuned.