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Hi everyone, I am pretty new to all of this and I am completely lost on what to do.
First off I want to apologize if I posted this to the wrong thread, I'm still trying to find my way around the forums and I don't mean to ask a question in the wrong spot haha.
I Am currently driving a 2015 STI with these mods:
-IAG AOS
-CSF Radiator
-Cobb SF intake with box
-Cobb OTS tune 91 octane
-Cylinder 4 cooling mod
Recently I was driving my car home from a 2hr road trip when my "Check Engine" Light came on. The code that popped up said that my system was too lean. I pulled over and checked my accessport to see if my car was running super lean. Some other forums online said that my AF Sens 1 Ratio should be around 14.70 and that it was ok if it hit 20.33 when letting off the gas. After that I limped the car home with no issues as the coolant temp never rose and the car didn't drive any differently.
This morning I called my local tuning shop and they said to reset the ECU to see if the code would pop up again. I did so and drive the car around all day with no code. However at the very end of the day the same exact code popped up and I have no clue what to do.
I haven't been driving the car hard so I don't know why it would be leaning out. I'm thinking it could be the OTS cobb tune not running right as I am in California and the gas isn't so good. Or possibly a fuel system issue? If anyone has any information on this it would be greatly appreciated. I've been pretty tight on money and don't really have the funds to send it to the shop for an inspection.
Thank you all again
