Quote:
Originally Posted by venik
disconnecting the o2 sensors means your hi/mid/low trims won't change, I.E. mine are all at 100 atm. And I'm 90% sure that one o2 sensor is just for datalogging and troubleshooting, and the other is what the ecu sees, if you think about it the ecu would have to do twice as much calculating with 2 inputs (while they are reading almost exactly the same reading which makes that counter productive), so it makes sense. Plus I've read it here on the boards.
|
the ecu uses both if it has them, as it wants to keep the afr going thru the pre-cats at 14.7