This is a discussion on A/F Conversion within the General Help forums, part of the LSx Technical Help Section category; As noted in other threads, I utilize a Hypertech to read the sensor data and want to ensure that I ...
05-18-2009, 09:05 AM #1
- Join Date
- Feb 2009
- Mansfield, PA
Black & Blue
- '02 WS.6 / '07 Suburban
As noted in other threads, I utilize a Hypertech to read the sensor data and want to ensure that I am interpreting it correctly. My understanding is that the upstream O2 sensors should read around 450 millivolts (mV) when it reads a 14.7:1 A/F.
If the mV is greater than 450, this indicates a richer A/F; and, if it is less than 450 mV, then the mixture is leaner. Just checking to see if this is correct and if there is a conversion formula to obtain an approximation of A/F.
I am not having any problems and do not want to invest in a wideband aftermarket unit at this time. Just trying to use what I have to keep tabs on what is going on under the hood...
05-19-2009, 05:36 PM #2
- Join Date
- Apr 2008
- Madison, WI
1999 Formula WS6 M6-sold
- 2001 Silverado Z71
1000mV is rich
10mV is lean
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