What happens when an O2 sensor goes bad in a jeep?
What happens when an O2 sensor goes bad in a jeep? When an O2 (oxygen) sensor go bad, it’ll cause your Jeep Grand Cherokee ‘s engine to run less efficiently. Your Grand Cherokee can exhibit symptoms when the Oxygen sensor has gone bad. Where is the coolant sensor on a Jeep Cherokee? Your Jeep's coolant sensor (or at least the one that annoying light is referring to) is located in your coolant overflow reservoir. There's something about the design that is almost guaranteed to cause a failure of some sort. Sometimes it's the wiring, other times it's corrosion at the...