Question about 2001 Dodge Durango

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2001 dodge durango 4.7liter 4x4 i replaced front o2 sensor,rear 02 sensor,ground wire to exhaust and the engine light keeping coding saying (o2 sensor heater curcuit malfunction bank 1 sensor 2). car runs perfect but light keeps coming on so won't pass inspection

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Bank 1 sensor 2 is the left downstream sensor (1/2) is located in the exhaust downpipe just after the mini-catalytic convertor, and before the main catalytic convertor. Now the meaning of this is that your not getting any 12+/12- heating on sensor, which means voltage is supplied to heat sensor up. You have a O2 sensor heater relay, but not getting problem with 2/2 sensor tells me you need to check/inspect the wiring for 1/2 sensor, open wiring for 1/2 sensor and inspect

Posted on Feb 07, 2010

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Po136-o137 says change 02 sensor on bank 1 sensor2 I did but engine light is still on 2004 chevy tahoe


code p 0136 refers to heated oxygen sensor (HO2S) 2 bank 1 ---circuit malfunction===causes ---heating inoperative ---wiring---HO2S--- ECM
also refers to oxygen sensor (O2S0 2 bank 1---circuit malfunction===causes --- wiring---O2S ---ecm
it also refers to heated oxygen sensor (HO2S) 2 bank 1 ---no signal===causes ---wiring --- HO2S---
code p 0137 refers to HO2S 2 bank 1 ---low voltage -===causes --exhaust leak---wiring short to ground ---HO2S--- ECM
it also refers to O2S 2 bank 1---low voltage ===causes exhaust leak---wiring short to ground ---O2S ---ECM
to set you up here-- there are 4 oxygen sensors in the system
2 are heated oxygen sensors (HO2S) on in each exhaust manifold or exhaust pipe before the cat converter and
2 oxygen sensors (O2S) -- one in each exhaust pipe after the cat converters
heated oxygen sensors have 4 wires and O2S sensors normally only 2 wires
it is more that possible that you changed the wrong sensors and in the process damaged the delicate wires with the incorrect spanner being used

Jul 25, 2016 | 2004 Chevrolet Tahoe

3 Answers

I have a 2007 jeep commander code P0153 O2 sensor slow response( bank 2sensor 1) replaced O2 light came back on later that day same code replaced O2 sensor again later that day check engine back on


What type O2sensor did you use ? Aftermarket ? Jeep's ,Chryslers , dodge are picky . WARNING Aftermarket Oxygen Sensors Chrysler part 1 Did you test or just replace the O2 sensor . P0153 Jeep O2 sensor 2 1 Slow Response If you don't have the tools like this guy uses an have the know how it's tough to fix problems like this .

Mar 24, 2016 | Jeep Cars & Trucks

1 Answer

96saab 900s check engine light on code p1115 replaced rear 02 sensor then replaced front o2 sensor check engine light came back on.


you will also need to check the wires coming off both o2 sensors and also sometimes the main CPU gets fried always sending those codes

Sep 24, 2014 | 1996 Saab 900

1 Answer

Numerous Questions


One suggestion I have is that each of the new type of engine's have an O2 sensor which is part of the exhaust. This is used by the computer to measure the amount of O2 in the exhaust gasses in the exhaust.
Try using this url link

Dodge durango o2 sensor bank 1 location

if it does not connect select the whole link start a new tab and paste the link to the URL address bar.

2004 durango exhaust oxygen sensor Google Search

some images of the exhaust system.

Mopar Parts Worldwide Mopar Parts for Dodge Chrysler Jeep

some other information and suppliers.

Mar 04, 2014 | Dodge Durango Cars & Trucks

1 Answer

How to fix a 0171 code


Your problem is being caused by a leaky power steering switch.

The switch develops a leak, which causes power steering fluid to seep into the engine wiring harness. The seepage eventually finds its way into the front O2 sensor, which then shorts out. The engine computer then starts reading a lean condition, and enriches the fuel/air mix going into the engine to compensate. However, since the shorted O2 sensor never responds to the extra fuel, the engine computer keeps shooting more and more excess fuel.

Replacing the O2 sensor by itself will not help matters, as you may have guessed. The seepage will have about a week or two to short out the new O2 sensor, then you will start seeing the same problem again.

The cure is to replace the leaky power steering switch (it's near the power steering pump), spray brake cleaner into the wiring harness until it drips off from near the front O2 sensor, let dry, and replace the front O2 sensor again. All of these actions must be completed, or you will see another recurrence of this exact problem.

http://www.dakota-durango.com/forum/showthread.php?t=113307

Feb 18, 2014 | 2001 Dodge Durango

1 Answer

Code po157


02 sensor circuit low voltage ---answer is copied from obd-codes .com you can visit this site for more information if necessary Usually rear o2 sensor problems won't cause drivability issues since they are an input that measures catalyst efficiency (unlike front o2 sensors). However if you have other codes present, like lean codes or pre-o2 sensor codes, then they may cause drivability problems as well as P0143. The following symptoms may be present: MIL (Malfunction Indicator Lamp) illumination Engine performance issues Engine running rough Engine running rich (only if PCM is trying to add fuel to compensate for low o2 sensor voltage reading) Engine running lean (only if vacuum leak is large enough that PCM can't compensate by adding fuel) Poor idle Causes If you have reason to believe that your engine is running lean, fix that problem first, then clear codes and see if the P0157 code resets. An engine that is running lean could set this code, but usually there will be lean codes (P0171, P0174) present. The following could be causes: Air leaks in exhaust in front of o2 sensor giving false reading Engine running excessively lean O2 sensor connector damaged/corroded O2 sensor signal circuit is shorted to ground O2 sensor ground circuit is open O2 sensor has failed (it may be contaminated with fuel or coolant) PCM has failed

Read more at: http://www.obd-codes.com/p0157
Copyright © OBD-Codes.com

Oct 02, 2013 | 2001 GMC Jimmy

1 Answer

2001 Dodge Stratus R/T o2 Sensor Locations


Yeah, you could do that. Bank 1 is always the engine side where the number 1 cylinder is located. Sensor 1 is the first sensor in the exhaust system, nearest the engine. Sensor 2 is always located farther downstream in the exhaust.

Jul 23, 2013 | 2001 Dodge Stratus

2 Answers

P0138 and p0158


These codes, po 138 bank 1 sensor 2 shorted to voltage and code po158 means bank 2 sensor two shorted to voltage. these are the two rear oxygen sensors in the exhaust system. there two up frt and two in the rear, check the wiring on the two rear sensors, make sure that the wiring is not cut or stuck between metal. if the wiring is good then replace both rear sensors, when you get them ask for the left and right after the cat sensors. or bk1 s2 and bk2s2. after replacing them reset the computer. go to an auto parts sotre or if you have a code reader you can do it. hope this helps good day.

Feb 19, 2012 | 2004 Dodge Stratus

2 Answers

2004 Dodge Dakota 4x4 trouble engine light on Code P0157 what is the problem?


Sensor 2 Bank 2 is the left rear oxygen sensor. It problably is bad
and needs to be replaced before your next inspection. The rear oxygen
sensor just monitors what is coming out and isn't as important as the
front oxygen sensor. The car will still run properly if you don't
replace it but will not pass inspection, in most states, if you don't
replace it. The part is inexpensive (about $30) but is hard to
replace without the proper tool. They make a special socket for
replacing oxygen sensors. You should be able to pick up the socket
for $15-$20. It has an opening for the attached wire. You could try
to remove the old one with an open ended wrench but you will probably
strip it. It's a 22 mm or 7/8 inch.

Jul 30, 2011 | Dodge Pickup Cars & Trucks

1 Answer

Check Engine light code P0432


P0432 - Main Catalyst Efficiency Below Threshold Bank 2
The ECM or PCM monitors the front an rear O2 sensors. The ECM or PCM detects Warm up Catalytic Converter when the sensors are out of specifications.

DTC is set when the ECM or PCM detects rear HO2S value difference becomes closer to value of front HO2S. The ECM or PCM monitors when vehicle speed is 25-60 MPH, load is 22-45 percent and engine speed is 1000-3000 RPM.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes
- Warm Up Three Way Catalytic converter deterioration or malfunction. - Exhaust system leaks. - Loose front or rear HO2Ss. - Front HO2S malfunction. - O2 sensors harness or connectors

Possible solution
- Replaced Catalytic Converter - Replaced rear O2 sensor - Repair wire harness or connectors

Check it ans tell us news.

Jan 16, 2011 | 1999 Dodge Intrepid

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