2005 Volvo S40 Oxygen Sensor

2005 VOLVO S40
51,000 MILES • 4 CYL • 4WD • AUTOMATIC
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SHELBR3
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My Volvo check engine light just went on and the car is makig a sond like a hovering UFO. All other systems appear to be fine and car operates as usual. I suspect an oxygen sensor because the is a compressed air hissing when the car is shut down. How do I relace the sensor?
Apr 27, 2008 at 8:49 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
You need to pulled the code/s from the computer to confirm its the oxygen sensor might be a different problem.
Apr 27, 2008 at 9:01 AM
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