Oxygen sensor

Tiny
NECER
  • MEMBER
  • 2004 SATURN VUE
  • 6 CYL
  • FWD
  • 90,000 MILES
Saturn 2004 Vue check engine light reads oxygen sensor
where is that and what does it do
how much to repair/replace?
Tuesday, November 23rd, 2010 AT 5:53 PM

2 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
If I could get the code number that your computer has set it would really help. You have like 4 o2 sensor's two upstream and two down stream. They tell the computer how rich or lean your engine is running.
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Tuesday, November 23rd, 2010 AT 6:04 PM
Tiny
BSCHURR
  • MEMBER
  • 45 POSTS
Also if the o2 sensor themselves are not bad then it could be something upstream in your engine that could be the problem & the 02 sensors are alerting you.
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Tuesday, November 23rd, 2010 AT 6:47 PM

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