Ford Ecosport

P2198 is a generic diagnostic trouble code that indicates that your Ford Ecosport’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.

P2196 is a generic diagnostic trouble code that indicates that your Ford Ecosport’s first oxygen sensor on bank one is stuck rich. It does not necessarily mean that the vehicle itself is running too rich.  This code is the opposite of code P2195, which indicates the oxygen sensor is stuck lean.

P2197 is a general DTC code that indicates that the signal coming from your Ford Ecosport’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