Question about 2001 Jeep Grand Cherokee
Lay on your back under the car. find the big bulbous thing in the exhaust system which is more or less under the front passenger area. That is the converter. the downstreamO2 sensor will be after that in the exhaust system, looks like a plug screwed into the pipe and it has a couple of wires coming from it. the upstream O2 sensor will be forward of the converter and it will look more or less the same. If you must, buy a new set from a parts store, not a dealer, and a muffler shop can install them for you in a few minutes for a few bucks. Note when you pay them to put a part in, you are not paying them to do a repair so do not complain to them if your SES light does not go off.
Posted on Oct 16, 2010
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Posted on Jan 02, 2017
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