Mitsubishi Eclipse P2198: Meaning, Symptoms, Causes + Diagnosis
P2198 is a generic diagnostic trouble code that indicates that your Mitsubishi Eclipse’s B2S1 O2 sensor signal is stuck rich. It does not necessarily mean that the vehicle itself is running rich (although it very well could). DTC P2198 is most likely caused by a bad oxygen sensor, although there are many potential secondary causes. … Read more