Fault code reading

[mick28799]

Help just plugged in my reader and got the following:-

Mode $06 report generated by Torque for Android
Test report:
------------------
TID:$01 CID:$02
- Rich to Lean sensor threshold voltage(constant)
Min: 65.525
Test result value: 86
FAIL
----
End of report.
Sent from my Hudl

Two Questions, what is the Rich to Lean sensor,
and where can it be located.

vehicle 2000 ML270

Mick Whitehouse

 

[BlackC55]

It doesn't have one.

What are your issues?

 

[E270 Owner]

What are your issues?

Torque App

 

[mick28799]

No issues, just ran a diagnosis and it came up and was unaware what it was