AZTrooper
Adventurer
Hey guys!!! You know... I consider myself to be a pretty literate when it comes to mechanics. I never did understand what happens when one's oxygen sensors go bad. I know they aid the ECU in running the engine efficiently. I guess my question is; is it bad to run on bad oxygen sensors? Or will it just decrease one's fuel mileage and efficiency? I ask because my check engine light came on today and the code says it's my oxygen sensors. Yes, I will replace them as soon as I have the funds, but would it be bad to run the trail this weekend with bad oxygen sensors? Thanks!!