Question about 2000 Dodge Stratus

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Do i need to change the oxygen sensor so the engine light turns off?

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U need to pull codes (obd2) on this car autozone can do this for free.

Posted on Sep 07, 2009

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My Dodge Stratus (1998 4 cyl) check Engine light is on. The error code says oxygen sensors were bad. Both oxygen sensors have been replaced. After resetting the check Eng light. The oxygen sensor


the upper 02 sensor is for air fuel mix while the secondary 02 sensor is for the operation and status of the catalitic converter are you sure the catalitic converter is not plugged. Could be if you have had a loss of power

Sep 16, 2014 | 1998 Dodge Stratus

1 Answer

How to change upstream o2 sensor on 2008 chevy uplander 3.9l ?


  • 1 Warm up the engine for about four minutes to bring it to operating temperature. Then turn off the engine. This will avoid damage to the exhaust pipe threads if that sensor has seized to the pipe.
  • 2 Find the oxygen sensor or sensors you need to replace. The upstream sensor is located near the exhaust manifold and the downstream sensor on the back exhaust pipe, close to the catalytic converter.
  • 3 Disconnect the oxygen sensor electrical connector. Depending on your particular Chevy model, both sensors may be disconnected from the engine compartment.
  • 4 Lift the front of your Chevy model to reach the sensor you need to change, if necessary. Use a floor jack and two jack stands to support it.
  • 5 Remove the oxygen sensor using a box-end wrench or a ratchet and oxygen-sensor socket.


  • Read more : http://www.ehow.com/how_5159092_replace-oxygen-sensor-chevy.html

    Jul 23, 2014 | Chevrolet Chevy Cars & Trucks

    2 Answers

    Check Engine light with Po131 o2 circuit low voltage sensor 1 bank 1 reading, what does that mean?


    - Front Heated Oxygen Sensor Bank 1 harness is open or shorted
    - Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
    - Faulty Front Heated Oxygen Sensor Bank 1
    - Inappropriate fuel pressure
    - Faulty fuel injectors
    - Intake air leaks may be faulty
    - Exhaust gas leaks

    Replacing the O2 Sensor 1 usually takes care of the problem

    The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. The heated oxygen sensor 1 signal is sent to the Engine Control Module (ECM). The ECM adjusts the injection pulse duration to achieve the ideal air-fuel ratio. The ideal air-fuel ratio occurs near the radical change from 1V to 0V.

    Feb 07, 2012 | 2004 Honda Odyssey

    2 Answers

    1996 Toyota 4runner 3.4L error code p0133


    SAE J2012 Revised DEC2007 lists Diagnostic Test Code (DTC) P0133 as "O2 Sensor Circuit Slow Response Bank 1 Sensor 1"

    This code basically means that the upstream oxygen sensor on bank one of your engine is not responding as quickly as it should to changes in oxygen leavels in the exhaust.

    The usual causes of this is an oxygen sensor that is just plain worn out (if it has a lot of miles on it) or an oxygen sensor that is contaminated by engine oil or antifreeze leaks causing these fluids to be burned in the exhaust (like bad piston rings, defective PCV valve, blown head gasket, etc.).

    In any case, the oxygen sensor needs to be replaced. However it should be noted that if it is caused by contamination like that described above, replacing it will only result in a new oxygen sensor doing the same thing if the cause of the contamination is not repaired.

    Jan 24, 2012 | Toyota 4Runner Cars & Trucks

    1 Answer

    1996 dodge caravan 2.4 liter 4 cylinders .Engine service light comes on for a period of 2 to 3 months then goes off .Prior to this the engine light stayed on continuously ,until the oxygen sensor connected...


    There is some sort of diagnostic code stored in either the ECM(engine computer) or TCM(transmission computer).There are many sensors and solenoids and other data parameters that can cause a codes to set other than just the oxygen sensors.You will need to have the code(s) pulled to know where to start.

    May 07, 2011 | 1996 Dodge Caravan

    2 Answers

    The engine light and VSC light are on (Vehicle Singapore 2004 Lexus RX 300. Diagnostics report Error code P0037


    your o2 sensor is bad. vsc will go on for any small DTC displayed on the MIL (cel)

    P0037 LEXUS P0037 LEXUS - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 2 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
    Possible causes - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground
    - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
    - Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit
    - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse
    - Faulty Engine Control Module (ECM) When is the code detected? The P0037 is set when the ECM detects an excessively low voltage through the heated oxygen sensor heater circuit P0037 LEXUS Description Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. The faster the heated oxygen sensor reaches that temperature the faster the sensor will start sending an accurate signal to the Engine Control Module (ECM).

    In order to achieve the require temperature, a heater element is included inside the heated oxygen sensor. The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECMcontrols the heater element circuit by allowing current flow to ground.

    The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.

    o2_heater_circuit.gif

    Mar 14, 2011 | 2004 Lexus RX 330

    3 Answers

    Engine light on mercury mountaineer code PO 174 PO 171 how do i fix it......


    mass air flow sensor & the PVC assembly needs to be replaced

    Jan 16, 2010 | 1998 Mercury Mountaineer

    1 Answer

    SERVICE ENGINE SOON LIGHT ON


    you need to change the oxygen sensor. it will soon cause you problems. after you need to take it in to  erase the code.

    Apr 20, 2009 | 1997 Chrysler Town & Country

    1 Answer

    Check engine light


    P0041 Downstream Oxygen Sensors Swapped From Bank To Bank
    How does a P0041 code trigger the check engine light? This code will trigger the light to come on under the following condition:

    The Heated Oxygen Sensor Monitor, a strategy built into the computer, determines if the Heated Oxygen Sensor (HO2S) signal response for a change in fuel trim corresponds to the correct engine bank. If a response from the Oxygen Sensor being tested is not indicated, a trouble code will be set and the MIL (Malfunction Indicator Lamp) will illuminate.
    Possible Causes:
    Crossed Heated Oxygen Sensor harness connectors
    Wiring swapped from one Oxygen Sensor connector to the other
    Wiring changed at the computer connection or in the related harness

    Apr 09, 2009 | 1994 Honda Civic

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