Replacing a faulty oxygen sensor is the only viable solution to get your car running properly again. To this end, this article provides a step-by-step guide on how to replace a faulty oxygen sensor.

This caused two additional codes to store in the system along with the O2 sensor code. Ultimately, loosening and retightening the two ground strap bolts allowed us to clear all the codes from memory.

An aftermarket replacement oxygen sensor will cost you about $60. The cause of the P2097 code is potentially challenging to pinpoint, but it can be fixed and even avoided when using quality parts.

Answer: Kristopher, as you know, lean oxygen sensor and fuel trim codes can be some of the hardest fault codes to diagnose.

One code that is often reported along with various transmission faults is the P0841 code, relating to the transmission fluid pressure sensor, which can plague both normal and CVT transmissions.