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2000 Dodge Stratus Error Code: P0138

Tiny
PILOT2969
  • MEMBER
  • 2000 DODGE STRATUS
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 135,000 MILES
I had my check engine light come on yesterday, so I had the code checked at Autozone, came back as a P0138, oxygen sensor bank 1 sensor 2.

I know that this sensor is located after the catalytic converter, but where exactly on the car is it located? I want to replace this myself, and help would be appreciated.
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Tuesday, February 24th, 2009 AT 7:50 PM

3 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
P0138 does not necessarily mean the O2 sensor. It refers to the electrical circuit of the sensor. It may be the sensor, or the connector, or the wiring , or the ground to the PCM.


https://www.2carpros.com/forum/automotive_pictures/55316_00stratusp0138_1_1.jpg



https://www.2carpros.com/forum/automotive_pictures/55316_00stratusp0138_2_1.jpg



https://www.2carpros.com/forum/automotive_pictures/55316_00stratusp0138_3_1.jpg



https://www.2carpros.com/forum/automotive_pictures/55316_00stratp0138_1.jpg

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Tuesday, February 24th, 2009 AT 10:16 PM
Tiny
PILOT2969
  • MEMBER
  • 15 POSTS
Thanks for the information, this vehicle had sat unused for about a year prior to my purchase of it. I was told by my father to clear the trouble code and see if it comes back, just because it had sat.

If I have to test the voltage, where along the sensor do I do that?
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Wednesday, February 25th, 2009 AT 4:06 PM
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Positive to 4, negative to 3.
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Wednesday, February 25th, 2009 AT 11:23 PM

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