How do I change out the rear O2 sensor in my 97 jeep wrangler? It is a bit of a pain to get to. I was wondering if there were any trinks I need to know or just dive in and get it. I just replaced the front now I was going to tackle the rear one but having trouble with it.
The rear o2 on a 97' is easy to reach from the rear of the skid with a 1/2" drive socket (if you have a 4.0L).I soaked mine with PB blaster and started the engine to heat it up first.It broke loose with a little effort.
Originally Posted by mrblaine View Post
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