Saturn Aura P2A01: B2S1 O2 Sensor – Range/Performance
P2A01 is a rare DTC trouble code. It is a general code, which means it has the same definition for the Saturn Aura as it would any other vehicle. P2A01 indicates that the first oxygen on the bank 2 side of the engine is sending a signal to the PCM that is outside of its … Read more