O2 sensor malfunction

[JeepDxb]

there is an O2 sensor malfunction and i dont have a any idea how to fix it

what should i be doing

[JeepDxb]

Desert rides usually have that, its quite common problem.

Get red color can of Carb Cleaner (Carburetor) and put some generous amount on O2 chip and it will help if not solve 100% problem atleast it will make difference of about 75% change in O2 sensor performance.