To be able to accurately determine the amount of fuel needed to run efficiently, your car require a pair of oxygen sensors, aka, O2 sensors.
Ignoring problems like emissions issue can compound existing problems, so don’t wait until something really goes bad before you replace your O2 sensors
Most people won’t know there’s a problem with their O2 sensors until that light pops on, but there are a couple of symptoms you can look out for to stay ahead of any necessary sensor repairs. We’ve mentioned the loss of fuel efficiency, but the same poor air-to-fuel ratio that causes a bad MPG can also cause a rough idle or engine misfire. Replacing an O2 sensor can be a simple, common repair, so there’ no reason to put it off. Street Automotive in Mesa can replace an O2 sensor and have you back on the road in no time.