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How many Oxygene sensors

  #1  
Old 07-04-2006, 08:15 AM
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Join Date: Jul 2006
Posts: 4
Default How many Oxygene sensors

Hi

I have a 2.9L from -99 - I got the "emission light and my free dealer sad he had to change all 3 sensors - the light came back after 100 miles, and then it stroke me - how many sensors does my car have - 3 or 4? or is the problem, that my free dealer can't reset the computer(s) right - the engine feels fine, no problems - only the light and the message seems to be a problem.

If any of you are interrested www.bsr-ab.se have a volvo diagnostic tolle which works on all Volvos's from 99- and it can read/delete ALL the DTC's, but it is not cheap - round 1.000$
 
  #2  
Old 07-04-2006, 12:02 PM
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Default RE: How many Oxygene sensors

Depends on alot of things.

Either they had 2 sensors only or they had 4 sensors.
 
  #3  
Old 08-15-2006, 09:20 AM
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Join Date: Jul 2006
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Default RE: I still have problems

My dealer chaged the 4 oxygene sensors, but the light is stil there.

When we erease the error , I can turn on the engine fopr 4-6 times an drive from 60-400 km without light, but suddenly it comes back. I have also tried the trick to remove the fuse for the engine control in a minut or two and the ligt dissapears, and it doncome back for the next two starts as I have read in this forum, but after 4-6 times after.

The car drives with no problems at all - what should be the next move - my time is running out because the new buyer pics the car up at saturday! - any ideas?

The code says somthing about the converter, but nothing seems to be wrong with it - we have tested it and the emissin is fine.
 
  #4  
Old 08-15-2006, 09:16 PM
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Default RE: I still have problems

Is the exhaust clogged at all?

It is weird it comes back on that fast.
 
  #5  
Old 08-16-2006, 06:27 AM
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Default RE: I still have problems

sorry - what does "clogged" mean :-)
 
  #6  
Old 08-16-2006, 08:36 PM
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Default RE: I still have problems

Blocked. Meaning how much Air Flow do you feel out the back of the car at the Tail pipe?
 
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