Tobes49 Posted July 31, 2006 Report Share Posted July 31, 2006 2.0 AQY 2001 VW Golf, When carrying out basic setting in group 046, it comes up "B1 cat not OK" and the Amplitude ratio is 0.8. Can anyone tell me what amplitude ratio is? as i dont think it should be that high. Link to comment Share on other sites More sharing options...
danksy Posted July 31, 2006 Report Share Posted July 31, 2006 Did you mean a) What is amplitude ratio ? or b) What should the amplitude ratio be? I remember when studying maths that amplitude ratio is a mathematical term often used in statistics. More likely it is the ratio between the amplitude (power of the signal) compared to what the expected value should have been i.e 80%? In otherwords is the sensor only reading 80% of what it should do ??? Sorry cant help mate Link to comment Share on other sites More sharing options...
Tobes49 Posted July 31, 2006 Author Report Share Posted July 31, 2006 [ QUOTE ] Did you mean a) What is amplitude ratio ? or b) What should the amplitude ratio be? Sorry cant help mate [/ QUOTE ] A, What i'm trying to ask, (English was never a strong point) B, I know it shouldn't be that high and thats the problem. Link to comment Share on other sites More sharing options...
mulkbear Posted July 31, 2006 Report Share Posted July 31, 2006 Don't know A or B but i do suspect a faulty post Cat lambda probe or Dirty terminals at the first joint on the Lambda probe wiring Link to comment Share on other sites More sharing options...
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