[JoshApple]

Can somebody explain how to read the lambda voltages from INPA? Using context clues I noticed bank 2 Post-Cat voltage is very low. I’m thinking the sensor is bad and may need to be replaced but I also don’t know what I’m looking at here.

If somebody with more knowledge about these readings could help me out I’d appreciate it.

If the sensor is bad… what other issues could that lead to given it’s a Post-“Cat” sensor. I have Catless downpipes.

[TiAgAu]

Originally Posted by JoshApple

Can somebody explain how to read the lambda voltages from INPA? Using context clues I noticed bank 2 Post-Cat voltage is very low. I’m thinking the sensor is bad and may need to be replaced but I also don’t know what I’m looking at here.

If somebody with more knowledge about these readings could help me out I’d appreciate it.

If the sensor is bad… what other issues could that lead to given it’s a Post-“Cat” sensor. I have Catless downpipes.

Its normal if it fluctuates .1 to .8

Apply the lambda oscillation fix in mhd

[JoshApple]

Originally Posted by TiAgAu

Its normal if it fluctuates .1 to .8

Apply the lambda oscillation fix in mhd

I’ll give that a try. Thoughts on the .05 value? Seems low.

Is being past .7 concerning?

[JoshApple]

Originally Posted by TiAgAu

Its normal if it fluctuates .1 to .8

Apply the lambda oscillation fix in mhd

Went to reflash with MHD and the oscillation fix was preselected. I must have already turned it on when I flashed it last time…

[TiAgAu]

Originally Posted by JoshApple

I’ll give that a try. Thoughts on the .05 value? Seems low.

Is being past .7 concerning?

It's fine. Hows the idle/cruise AFR and trims? Both banks fairly close? Looks fine in inpa