So I recently picked up a wideband and got it running.... I noticed that at Idle, my a/f ratio is about 10.6:1 after the car has got up to operating temp. My assumption is that the O2 sensor has gone bad. can anyone confirm? if not, what would it be?

Thanks!

YV

 

what kind of wide band?

u can use a sohc vtec motor with a stock p28ecu as reference
even with intake and headers the stock program on a p28 will give u about 13.2-.4-1
up to about 5k the about 13.7-9-1 then about 6.5k it goes to about 13.1-3-1

 

Innovate....its working really well...

i have a p28, so ill give that a try.

thanks.


YV