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How to replace downstream o2 sensors on 2005 jeep wrangle 4.0

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Unscrew the old one and screw in the new one (make sure it has antiseize on threads. I think its 21 or 22mm. The light won't go out till you run it through a complete drive cycle (about 20 miles. Or you can clear the code with a scan tool.

Posted on Jun 27, 2010

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Posted on Jan 02, 2017

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2 Answers

How many O2 sensors does a 2005 Odyssey LX (3.5L) have? Are the Upstream and downstream sensors the same?


There should be just 2 02 sensors on your car an upstream and a downstream

Here is the link for both the upstream and downstream 02 sensor

Amazon com B072WPRVF6

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O2 sensor wiring diagram 2005 ford expedition


http://www.bbbind.com/technical.html
Free wiring diagrams & TSB's-all makes and models. Your 4 O2 sensors are shown under System: engine, Subsystem: fuel controls.

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How to replace the O2 sensor in a 2005 PT Cruiser?


your upstream o2 sensor is located behind motor and manifold and need an o2 senor socket and racket plus extension to remove and then your downstream 02 sensor is on the side of Cat convertor (drive side)and same process to remove and replace

Jul 30, 2013 | 2005 Chrysler PT Cruiser

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Where is downstream left o2 sensor located in 2005 kia sportage?


For oxygen sensor location diagram on kia sportage, click the link below:---

http://technoanswers.blogspot.com/2012/12/o2-sensor-located-in-2005-kia-sportage.html


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These will help.
Thanks.

Dec 06, 2012 | 2005 Kia Sportage

1 Answer

I have a 2005 jeep wrangle replace all four 02 sensor cant get check engine light to go off, how do i get check engin light off


disconnect negative terminal of battery for 5 minutes then reconect terminal. that should reset the check engine lite.

Jul 28, 2012 | 2006 Jeep Wrangler

1 Answer

2005 jeep have 4 oxygen sensors 1 bad its 2 bank is it the upper or lower one


DESCRIPTION The Oxygen Sensors (O2S) are attached to, and protrude into the vehicle exhaust system. Depending on the engine or emission package, the vehicle may use a total of either 2 or 4 sensors.

On this emissions package, 4 sensors are used: 2 upstream (referred to as 1/1 and 2/1) and 2 downstream (referred to as 1/2 and 2/2). With this emission package, the right upstream sensor (2/1) is located in the right exhaust downpipe just before the mini-catalytic convertor. The left upstream sensor (1/1) is located in the left exhaust downpipe just before the mini-catalytic convertor. The right downstream sensor (2/2) is located in the right exhaust downpipe just after the mini-catalytic convertor, and before the main catalytic convertor. The left downstream sensor (1/2) is located in the left exhaust downpipe just after the mini-catalytic convertor, and before the main catalytic convertor.

Left and right are distinguished by sitting in the vehicle, not looking at the vehicle from the front

Aug 17, 2011 | 2005 Jeep Wrangler

2 Answers

I have these codes coming up on my 2005 Dodge Ram. 5.7 liter motor: P0406 P2096 P0137 P2299 Thank you.


code #0406 = egr position sensor circuit high ( stuck egr valve or bad egr sensor most likely sensor )

code #2096 = downstream fuel trim system lean ( see next code )

code #0137 = O2 sensor bank 1 sensor 2 circuit low ( replace rear O2 sensor driver side )

code #2299 = brake peddle position/accelerator pedal position incompatible. ( hav you been power braking this truck? ) ( brake light was on wile accelerator was being pushed )

Mar 17, 2011 | 2005 Dodge Ram

2 Answers

WHAT CAUSED ERROR CODE P2097 ON 2005 CARAVAN? ENGINE LIGHT DID GO OUT.


The code found P2097 is 1/2 O2 sensor rich (downstream- below the catalytic converter). Your previous code is related to the same O2 sensor.

I would recommend replacing the O2 sensor then go from there. If it returns then you will have to start testing the wiring. I would recommend changing the O2 sensor now if you are able to.

It is simple to replace and easy to get to. The trip would be a good chance after the repair to see if it returns with the number of miles you would be driving.



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1. Oxigen Sensoir connector
2. Catalytic Converter
3- Downstream Oxygen Sensor
4. Engine Harness connector.

It can have an effect on engine performance and fuel economy. So the sooner you replace it the better. I dont believe it will leave you stranded on the road anyway by any means so I wouldnt worry about that if you arent able to replace it right away before the trip. If you need more help or have more questions then let me know and I will help you further.

Hope heplp with this (remember rated this post).

Apr 28, 2010 | 2004 Dodge Caravan

1 Answer

Universal o2 censor has 2 white 1gray 1black existing wires areblack/tan dkgreen/orng blk/ltbl blk/pink


First what do you mean by a universal o2 sensor? You must make sure that you have the right o2 sensor, most newer vehicles have four o2 sensors 2 upstream and 2 downstream, upstream and downstream are meant to show where the sensors are in relation to the catalatic converter,some o2 sensors have 1 wire or up to 4 wires most with four wires are heated o2 sensors so you need to be sure you ve gotten the right o2 sensor for you vehicle as well as the right replacement for the proper location! My experience is that most after market o2 sensors have the same colored wires as the vehicle. Also most o2 sensors have electrical plugs? If you need help finding the right o2 sensor for your vehicle then please dont be affraid to ask!

Feb 12, 2010 | 1996 Jeep Grand Cherokee

1 Answer

2005 Subaru Legacy: Where are the O2 sensors located (both)


the o2 sensors are locted in the exhaust system. upstream is before cat converter, downstream is after cat converter.

Nov 22, 2008 | 2005 Subaru Legacy

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