Mine always calibrates to 20.9% O2 readings... Is there an acceptable tolerance for variation?Amskeptic wrote:That is way rich, but if it runs / drives, I do not believe that 7.4. Are you calibrated to 20.9 in free air?josebrewin wrote:The bung is just before the catalytic converter in the elbow. It is an Innovate LM-2 wide band sensor. I have an 18 foot cable that brings it into the drivers compartment and it runs on the cigarette lighter. Ordered an SD card so I can record it.
( Do you have clean air? )
Colin
I too can't seem to drive the car if it ever dips below 10.0:1 AFR.
Robbie