Mitsubishi 380 P2197: 02 Sensor B2S1 – Signal Stuck Lean

P2197 is a general DTC code that indicates that the signal coming from your Mitsubishi 380’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal.  The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a … Read more

GMC Sonoma P2197: 02 Sensor B2S1 – Signal Stuck Lean

P2197 is a general DTC code that indicates that the signal coming from your GMC Sonoma’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal.  The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a … Read more