Question about 1996 Subaru Legacy

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EMMISSION REPLACE OXYGEN SENSOR - OLD WIRE BROKEN NEED DIAGRAM TO FINE HARNESS WIRE OXYGEN SENSOR

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I have the check engine light on and the scan read P0135 error - what is this?


P0135 code is: Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

This code refers to the front oxygen sensor on Bank 1.

The heated circuit in the oxygen sensor decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0135.

Symptoms: You will likely notice poor fuel economy the illumination of the MIL.

Causes: A code P0135 may mean that one or more of the following has happened: O2 Heater element resistance is high Internal short or open in the heater element O2 heater circuit wiring high resistance open or short to ground in the wiring harness.

Possible Solutions: Repair short or open or high resistance in wiring harness or harness connectors Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)

Dec 29, 2015 | 2006 Ford Focus ZX3

1 Answer

1986 delta 88 codes 11 and12 and 13 what are these I have already replaced tps oxygen sensor and fuel filter and fuel lines


Only one thing need concern you, and that is code 13-Oxygen sensor circuit open. An open circuit means the wire is not passing current, it is broken or its connection has come loose. The fault will be somewhere from where you connected the new sensor, then the wire will go into the engine wiring harness, and it will go to the engine computer, probably under the dash. The wire or the harness may have got too close to the hot exhaust, check for that. If the engine harness got chafed somewhere like on a sharp corner, it may have broken the wire. If you can't find it, have a mechanic trace the sensor wire to the computer. He may even be inclined to run a new wire.

The code 12 is not really a trouble code. Its meaning is "system normal". It may flash at the beginning of the diagnostics or at the end, and signifies no other codes are stored. Code 11 is not shown in the list of about 80 trouble codes for GM cars, so I don't believe it is a valid code.

Apr 27, 2014 | Cars & Trucks

2 Answers

2001 Cadillac Deville oxygen sensor wiring diagram


The wiring diagram shows the wiring color code, Power rating and connector plug used. The wiring diagram explains the vehicle's electrical connections with color code. It's a bit complicated to understand.

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Apr 07, 2013 | 2001 Cadillac DeVille

2 Answers

Error code p0135 on ford windstar 2002


The P0135 means "O2 Sensor Circuit Malfunction (Bank 1 Sensor 1), you should check and fix the O2 sensor circuit.

CAT Communication Adapter

Aug 22, 2012 | Ford Windstar Cars & Trucks

1 Answer

How do you change o2 sencer on 1999 intrepid


The 1999 Dodge Intrepid uses two oxygen sensors, one on each of the two exhaust manifolds. Determine which oxygen sensor is faulty before changing the sensors by having the computer in your Intrepid scanned for codes. Most major auto parts retailers will scan the computer free of charge on the hope that you will buy the parts needed from them. If you need to replace both of the oxygen sensors, the process is the same for both sides so you can just repeat it after the first one is complete.

  • 1

    Raise the front of your Intrepid with a jack and support the car with a set of jack stands positioned under the frame. Remove the jack from under the car and out of the way for now.

  • 2

    Locate the oxygen sensor from under the car. Looking up into the engine compartment--the sensor is on the outboard side of the exhaust manifold pointing out toward the fender. This location is the same for both oxygen sensors, just on opposite sides of the car.

  • 3

    Locate the wiring harness connector by following the wiring pigtail from the sensor down the wires until you see the connector. Lift the locking tab slightly on the connector and separate the two halves of the connector. Lay the wires aside and return to the oxygen sensor.

  • 4

    Turn the oxygen sensor counter-clockwise with an oxygen sensor socket and ratchet until it is loose, then remove it from the exhaust pipe. Discard the old sensor and thread the new oxygen sensor into the exhaust pipe by hand to start with. This will help avoid cross threading the sensor and exhaust pipe.

  • 5

    Tighten the oxygen sensor to 20 ft.lbs. with a torque wrench and oxygen sensor socket. Plug the wiring pigtail from the new sensor into the wiring harness connector on the car. Push the two halves together until the locking tab engages and the halves are secure.

  • 6

    Repeat the process for the other sensor if you are changing both. Raise the front of your Intrepid off the jack stands with a jack, remove the stands from under the car and lower the car to the ground.




  • Dec 06, 2011 | 1999 Dodge Intrepid

    1 Answer

    How do you change oxygen sensors on a 2000 hyundai sonata


    Locate the two oxygen sensors on either side of the Sonata's catalytic converter on the exhaust manifold. The Sonata's oxygen sensor is gold and shaped liked a spark plug.

  • 2 Remove the Sonata's wiring harness from the end of the two oxygen sensors using your fingers. Do not damage the end of Sonata's wiring harness.
  • 3 Remove the two oxygen sensors from the Sonata's manifold using the oxygen sensor wrench.
  • 4 Apply the anti-seize compound to the threads of the Sonata's two new oxygen sensors.
  • 5 Install the two new oxygen sensors to the Sonata's manifold using the oxygen sensor wrench. Re-attach the wiring harness to the two new oxygen sensors using your fingers.
  • Oct 31, 2011 | 2000 Hyundai Sonata

    1 Answer

    What is diagnostic procedures for DTC p0135 & p0141


    Oxygen Sensor problems... P0135 (Bank 1, Sensor 1) and P0141 (Bank 1, Sensor 2)

    P0135 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
    This code refers to the front oxygen sensor on Bank 1. The heated circuit in the oxygen sensor decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it.

    The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0135.

    Symptoms: You will likely notice poor fuel economy the illumination of the MIL.

    Causes: A code P0135 may mean that one or more of the following has happened:
    O2 Heater element resistance is high
    Internal short or open in the heater element
    O2 heater circuit wiring high resistance
    open or short to ground in the wiring harness

    Possible Solutions:
    Repair short or open or high resistance in wiring harness or harness connectors
    Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)



    P0141 - O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
    This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0141.

    Symptoms: You will likely notice poor fuel economy the illumination of the Check Engine Light.

    Causes: A code P0141 may mean that one or more of the following has happened:
    open or short to ground in the wiring harness
    O2 heater circuit wiring high resistance
    O2 heater element resistance is high
    Internal short or open in the heater element

    Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed converter.

    Possible Solutions:
    Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
    Repair short or open or high resistance in wiring harness or harness connectors


    Hope this helps (remember to rate this answer)..

    May 11, 2011 | 2000 Nissan Maxima

    1 Answer

    Hard running motor trouble shooting codes p0135


    P0135 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

    This code refers to the front oxygen sensor on Bank 1. The heated circuit in the oxygen sensor decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0135.

    Symptoms: You will likely notice poor fuel economy the illumination of the MIL.

    Causes: A code P0135 may mean that one or more of the following has happened:
    * O2 Heater element resistance is high
    * Internal short or open in the heater element
    * O2 heater circuit wiring high resistance
    * open or short to ground in the wiring harness

    Possible Solutions:
    * Repair short or open or high resistance in wiring harness or harness connectors
    * Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)


    I hope this helps, remmeber to rate and comment this.

    Oct 05, 2010 | 1998 Chevrolet Blazer

    1 Answer

    Oxygen sensor codes I have 2 codes PO133 and PO141 says possible defective sensor or faulty HO2S12 or poor connections


    Well it could be the wiring too the sensor, a software issue that requires flashing the pcm or the sensor you purchased is not working too the same standards that the old one was. Did you use a one type fit alls 02 sensor that uses the old connector and you have to splice the wires? Read this info...


    P0133 - Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)

    What does that mean?
    This involves the front oxygen sensor on Bank 1. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use.

    Symptoms:
    You will likely not notice any drivability problems, although there may be symptoms.

    Causes:
    A code P0133 may mean that one or more of the following has happened:
    * The oxygen sensor is faulty
    * The wiring to the sensor is broken / frayed
    * There is an exhaust leak

    Possible Solutions:
    The simplest thing to do is to reset the code and see if it comes back.

    If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions:
    * Check and fix any exhaust leaks
    * Check for wiring problems (shorted, frayed wires)
    * Check the frequency and amplitude of the oxygen sensor (advanced)
    * Check for a deteriorating / contaminated oxygen sensor, replace if necessary
    * Check for inlet air leaks
    * Check the MAF sensor for proper operation



    P0141 - O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)

    What does that mean?
    This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0141. See also: P0135 (Bank 1, Sensor 1).

    Symptoms:
    You will likely notice poor fuel economy the illumination of the Check Engine Light.

    Causes:
    A code P0141 may mean that one or more of the following has happened:
    * open or short to ground in the wiring harness
    * O2 heater circuit wiring high resistance
    * O2 heater element resistance is high
    * Internal short or open in the heater element

    Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed converter.

    Possible Solutions:
    * Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
    * Repair short or open or high resistance in wiring harness or harness connectors


    Hope helps (remember rated and comment this).

    Jul 01, 2010 | 2000 Pontiac Sunfire

    2 Answers

    Code po141


    This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0141.

    Here are a few causes, that may have contributed to this failed sensors actions:

    A.Open or short to ground in the wiring harness(CHeck the sensor harness for this type of fualt)
    B.O2 heater circuit wiring high resistance(Replace this sensor if this exsist)
    C.O2 heater element resistance is high(Replace the sensor if this exsist)
    D.Internal short or open in the heater element(Replace the sensor if this exsist)

    NOTE_Possible Solutions

    A. Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
    B. Repair short or open or high resistance in wiring harness or harness connectors


    P0141_O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)

    Nov 23, 2009 | 1999 Chevrolet Monte Carlo

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