OXYGEN SENSOR

  • Tiny
  • Scnd2nun
  • 2001 Pontiac Grand Am
  • 6 CYL
  • 2WD
  • automatic
  • 69,785 miles

Where is the front oxygen sensor located in the 2001 Pontiac Grand Am GT1. V-6 3.4L? I have the part and want to change it due to a SES light but just need to find it. Thanks.

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Monday, January 10th, 2011 AT 7:31 PM

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  • Tiny
  • saturntech9
  • Expert
  • 29,444 posts

What is the code number you have there is two front o2 sensor on that engine bank1 and bank2 you don't want to change the wrong one.

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Monday, January 10th, 2011 AT 7:39 PM
  • Tiny
  • Scnd2nun
  • Member

The code was 02 htr ckt. B1 s1. So I have the sensor before the converter.

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Monday, January 10th, 2011 AT 7:45 PM
  • Tiny
  • saturntech9
  • Expert
  • 29,444 posts

If you could give me the actual code number that would really help me find the info it's a P followed by a four digit number.

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Monday, January 10th, 2011 AT 8:02 PM
  • Tiny
  • Scnd2nun
  • Member

Sorry, P0135.

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Monday, January 10th, 2011 AT 8:35 PM
  • Tiny
  • saturntech9
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  • 29,444 posts

I'm sorry I thought your engine had two upstream o2 sensor's it only has one.I posted a diagram of where it is sorry about that.I recommend using a o2 sensor socket to change it but you don't that's up to you.

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Monday, January 10th, 2011 AT 9:10 PM

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