Mell Where is the O2 sensor on a 1999 Jeep Cherokee?
The upstream sensor is located on the bottom of the exhaust manifold near the engine. The downstream sensor is located on the exhaust pipe near the catalytic converter. Simply remove the O2 sensor using your wrench.
How many O2 sensors does a Jeep Cherokee have?
All four oxygen sensors located in the Jeep Grand Cherokee are different prices and sizes. While you are purchasing your oxygen sensor, ask the store clerk or look online for an oxygen sensor socket.
Can a bad oxygen sensor cause a Jeep Grand Cherokee to go bad?
Your Grand Cherokee can exhibit symptoms when the Oxygen sensor has gone bad. Or, it may exhibit none at all. Often enough, the only sign of the problem at all is the service engine soon light being on. The good news is, if you end up discovering that the oxygen sensor is bad, they really aren’t that expensive to replace.
How to install O2 sensors on a Jeep Wrangler?
When installing new O2 sensors, be certain to use some anti-seize on the threads of the new O2 sensors! This is important, and will save you a huge headache should you ever need to remove them in the future. In addition, a O2 sensor socket will greatly aide in the installation and removal of O2 sensors. I recommend this one.
How do you replace a bad oxygen sensor?
While you are purchasing your oxygen sensor, ask the store clerk or look online for an oxygen sensor socket. It has a split down the middle for the cable to fit. Third, use the picture above for specific location on the oxygen sensor you need to replace. Use the socket to remove the bad oxygen sensor and replace it with the new one.
Is the Jeep Wrangler TJ sensitive to oxygen?
Pay close attention to this one so you can do it once and do it right! The Jeep Wrangler TJ is extremely sensitive to all oxygen sensors other than NGK / NTK. Bosch O2 sensors and all the others (including the crappy Chinese brands you’ll buy at your local auto part store) are very well documented as not working properly with our TJs.