I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...
Learn why lean trouble codes P0171 and P0174 often point to other engine problems instead of faulty oxygen sensors.
Replacing a faulty oxygen sensor typically costs between $200 and $500, depending on your vehicle type, sensor location and whether you choose DIY or professional installation. Replacing an oxygen (O2 ...