Gen1 Service Issues
New to the forum. A friend of mine has a 2013 Chevy Cruze (1.4L) with the following codes:
P0171: System Too Lean (Bank 1)
P015B: O2 sensor Delayed Response - Lean to Rich Bank 1 Sensor 1
P1101: Intake Air Flow System Performance
P2270: O2 Sensor Signal Stuck Lean - Bank 1\, Sensor 2...