2005 Cadillac SRX O2 sensor

Tiny
ATAYLOR718
  • MEMBER
  • 2005 CADILLAC SRX
  • 3.6L
  • 6 CYL
  • AUTOMATIC
  • 200,584 MILES
What o2 sensor exactly do I need for my vehicle? Is it round, rectangle, or square and is it upstream our downstream?
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Tuesday, April 1st, 2014 AT 2:09 PM

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Tiny
MLDANIELS2000
  • EXPERT
They are usually round. Your vehicle will have 4 of them. Two upstream (before the catalytic converter) on each side exhaust and 2 downstream (after the catalytic converter) on each side exhaust. If you have a code from a check engine light, the code definition will better explain what is wrong with which of the 4 O2 sensors.
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Tuesday, April 1st, 2014 AT 2:44 PM
Tiny
ATAYLOR718
  • MEMBER
Code was for bank 2
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Tuesday, April 1st, 2014 AT 3:25 PM
Tiny
MLDANIELS2000
  • EXPERT
That is the passenger side of the engine. Is it downstream or upstream?
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Saturday, May 10th, 2014 AT 9:02 AM

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