O2 sensor

Tiny
JESSICALORRIAN
  • MEMBER
  • 2000 DODGE DURANGO
  • V8
  • 4WD
  • AUTOMATIC
  • 131,009 MILES
How many o2 sensors does a 2000 dodge durango with a 4.7 have?
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Wednesday, November 17th, 2010 AT 1:43 PM

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Tiny
RASMATAZ
  • MEMBER
Hello,

Here is a guide to help walk you through the steps to change the sensors out and the location of the sensors in the diagrams below. There are 4 sensors.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the diagrams (Below). Please let us know what happens. Cheers
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Wednesday, November 17th, 2010 AT 1:45 PM
Tiny
WRENCHTECH
  • EXPERT
OXYGEN SENSOR (O2S) - PCM INPUT
The Oxygen Sensors (O2S) are attached to, and protrude into the vehicle exhaust system. Depending on the emission package, the vehicle may use a total of either 2 or 4 sensors.

Non-California Engines
On certain non-California (Federal) emissions packages, 2 sensors are used: upstream (referred to as 1/1) and downstream (referred to as 1/2). With this emission package, the upstream sensor (1/1) is located just before the main catalytic convertor. The downstream sensor (1/2) is located just after the main catalytic convertor.

California Engines
On certain California emissions packages, 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.
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Wednesday, November 17th, 2010 AT 1:48 PM
Tiny
BADBOY72811
  • MEMBER
  • 1999 DODGE DURANGO
  • V8
  • 4WD
  • AUTOMATIC
  • 105,000 MILES
Can a bad o2 sensor affect how the trans shifts
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Tuesday, December 18th, 2018 AT 12:29 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Normally, no. However, I have seen situations where a plugged catalytic converter caused shifting problems.

What is happening?
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Tuesday, December 18th, 2018 AT 12:29 PM (Merged)

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