Pulled these codes:
P0171 Fuel Trim System Lean Bank 1
P1151 Lack Of HO2S21 Switches - Sensor Indicates Lean
P0155 Heated Oxygen Sensor Heater Circuit (bank 2, sensor 1)
P1000 OBD Systems Readiness Test Not Complete
This car is confusing the hell outta me. I know I turned off the downstream o2s!
And the upper o2s are brand new!
Now among other things I raced my buddies BMW and he pulled on me! He has no mods done to it and I was beating him in my old 2.5L!
BAAH!