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How do I change the oxygen sensor in my 1997 Jeep Wrangler

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Unplug sensor cable from connector. Use 7/8" Oxygen Sensor socket, available at most auto supply and tool stores for around $10, to remove the sensor (It's a deep well with a slot cut up the side to clear the four wires that come out of the end of the sensor) . Insert new sensor using the same socket. The threads should have anti-seize compound already applied to them by the manufacturer. That is adequate. Plug the sensor connector into it's mate. That one is done. There are two Oxygen sensors on my '97 Wrangler. One is in the downpipe just after the connection to the exhaust manifold and the other is just after the catalytic converter. Easy to do!

Posted on Jun 16, 2009

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Posted on Jan 02, 2017

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SOURCE: Describe your 1997 Jeep Wrangler 1997 jeep

The check gauges light is normal because at 400 rpm it isn't running fast enough to build sufficient oil pressure. I am guessing maybe a vaccum leak???

Posted on Jul 10, 2009

  • 128 Answers

SOURCE: engine light came on....code reads oxygen

does the jeep run rough and blow black smoke if so it will be the oxygen sensor if not i would try plugs and a air filter.

Posted on Sep 22, 2009

mastatech
  • 478 Answers

SOURCE: how to replace oxygen sensor

They are located on the exhaust after the converter, their is a special tool for this and some parts stores will loan it to you. Soak with a good penatrating spray as they practically weld on the pipe threads from the heat of use.
I like to use a torch to heat and use the contraction and expansion to loosen the threads.

Posted on Jul 10, 2010

kirkx
  • 2019 Answers

SOURCE: 1997 jeep wrangler has a

There is a head temp sensor and intake air temp sensor, either of which could make the mixture too lean. Check them with an ohmmeter. Not sure the exact reading, but bad ones usually go 0 or infinite.

Posted on Apr 08, 2011

  • 4 Answers

SOURCE: 2005 jeep wrangler 4.0 have code po431 is a bad

bank 2 is passenger side depends on what the rest of the code says, should say sensor ? bank 2

Posted on Aug 17, 2011

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Apr 08, 2011 | 1997 Jeep Wrangler

1 Answer

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Jan 19, 2011 | 1997 Jeep Wrangler

1 Answer

Oxygen sensor bank 1 how do i fix it


That engine is a straight six cylinder so follow the exhaust pipe from the engine exhaust manifold to the first sensor you see threaded into that pipe, that would be the bank 1 sensor 1 O2 sensor.

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Jul 09, 2010 | 1997 Jeep Wrangler

2 Answers

I've owned two 1997 Jeep Wranglers and eventually they both shared a common problem of rough idle, low fuel mileage, check engine light and and rough acceleration. Sometimes it would run fine but sometimes...


Hi,
This is a broad spectrum of possibilities. I would first start with a simple approach of insuring good gas.
When these symptoms occur, get a bottle of fuel additive and add to your tank. Possibly you have some condensation issues. This could be just the ticket... I hope so. Good luck.

Oct 23, 2009 | 1997 Jeep Wrangler

1 Answer

Engine light came on....code reads oxygen


does the jeep run rough and blow black smoke if so it will be the oxygen sensor if not i would try plugs and a air filter.

Sep 22, 2009 | 1997 Jeep Wrangler

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Describe your 1997 Jeep Wrangler 1997 jeep wrangler 4 cyl idle fluctuates 900 rpm to 400 rpm after warmup no service engine light but check guages light comes on momentarily when rpm gets low and oil press...


The check gauges light is normal because at 400 rpm it isn't running fast enough to build sufficient oil pressure. I am guessing maybe a vaccum leak???

Jul 10, 2009 | 1997 Jeep Wrangler

1 Answer

Jeep Wrangler 6 cyl. idles up and down


Have your oxygen sensor checked, one of the symptoms of a faulty oxygen is an up and down idle.

May 04, 2009 | Jeep Wrangler Cars & Trucks

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