I used Craig's new program and went for a ride. I captured some data. This is what i noticed after looking at the Exel chart:

- Oxygen mV were from : 9 (cell 2) to 1025 mv (cell 11)-normal?

- BLM was 121 to 131

- INT was 104(cell 7) to 141 (cell 7)

- Max Knock retard was 3.9d (cell 15) at 3200 RPM, Total at 41.1d

- LV8 from 17 to 181


This was not a WOT run. The highest RPM was 3200 RPM
Oxygen sensor is about 2 years old.

What do you guys think?

Thanks.

 

You really need to look in more detail and in conjuction with the driving conditions.

Your BLM/INT may indicate your fuel calibration is off. To properly see your fuel calibration, you should lock your "min/max" BLM to 128 so it forces to use the INT for all fuel corrections.

The problem with an "unlocked" BLM, is that you may have a BLM showing a "rich condition" with the INT is leaning the fuel (very common). There is also transitions. Locking the BLM shows you whether the ECM is generally running lean or rich. Right now, it inidicates it is operating rich at some points and lean at others.

 

Thanks Glen. I know I have lots to learn but i am going to take it easy.