heyy guys...i put 3 gauges in my car and the only one that i still havnt hooked up yet is the air fuel ratio one. I have yte to find a wire diagra, for it and i was wonderign if anyone new where i could get one??

 

From my understanding, you need wideband monitoring for that. They also have DIY guides on how to measure that online. It's not something that you can just hook up normally. Our O2 sensors basically fluctuate back and forth, with A/F controlled by the computer.

 

not exactly. you can get a semi solid reading off of a narrowband o2 sensor. that what 90% of af meters out there are working on.

just dont skimp and use one while boosting and expect it to be reliable and yuou'll be fine.