Question about 2004 Jeep Grand Cherokee
I replaced the o2 sensor [ bank 2 sensor 1 ]but these codes still keep coming up. Is there a fuse for the o2 sensor?
I had the same problem and found out I was sold the wrong sensor, my 4.0 has four, they are all different, when you install a new sensor, you must make sure you clear the trouble code before you start the engine, ignition on engine off, that should do it, it worked for me, also if you have your own scanner and can erase the codes yourself, the wrong 02 sensor will turn engine light on with cold start, then after I erased the code it would stay off all day until the next cold start, thats when I found out my new 02 sensor was for bank 1 sensor 2, and not bank 2 sensor 1, hope this helps
Posted on Jan 19, 2009
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Posted on Jan 02, 2017
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