Ive just installed a factory 3 wire 02 sensor from a R33 GTS nissan syline ( 2L 6cyl) and wired it up etc.
Ive got my e6x set to 1 volt etc, are all 1V sensors the same? what settings should I have this set to, also will it work to adjust my idle so that i can have a nice mixture so it aint running to rich?
Thanks guys

 

I usually run 12:1 at idle to keep it smooth, unless the idle speed is high then you can run a bit leaner. May be ok for cruise, narrowband usually all fluctuate around lambda1(14.7:1) so would be good for cruise trim.

 

so i need to find out what voltage the sensor is putting out at lambda and then set the ecu to adjust to that above idle speed?? any ideas where i would find this info? or is it auto adjust?

 

It will fluctuate between around 0.2V and 0.8V in a sine wave type signal, I haven't used narrowband on an aftermarket ECU myself, so can't recommend settings. Most sensors of that type are the same, set it to 0-1V narrowband and see what options it gives and and see what happens
I would set it to correct above idle and a range of vacuum that you will be in when cruising at light load (ie motorway or open road type running).

I personally don't bother with closed loop, but I tend to do a bit of highway tuning to lean it out in that area anyway which achieves the same thing. Where abouts in NZ are you?

 

whakatane but i havnt installed a WB02 sensor so dont have that option

 

mmh I'm in New Plymouth. Try some settings and report back

 

If it's running rich enough that you know it's running rich without a wideband then closed loop idle control isn't going to solve your problem. You need the base tune to be within <5% for closed loop to work well. That's not very much margin.

IMO, stop wasting time with a narrow band sensor. You need the wideband to properly calibrate the ECU anyway.

 

Oh yeah, what Ludwig said, I shouldn't assume you already have it tuned?

 

No, you assumed right, It has been tuned, just a couple of weeks ago, had a S5 hybrid to4b vtrim turbo, but the wastegate arm snapped at the weld and it wouldnt go past 9psi, so i cant imagine that it was sealing all to well either. still, we got 215kw at the wheels. Now ive got the T60-1 5 hybrid bolted up, and the necessary parts to fit the IC piping and the boost controller hopefully, just found a leaking heater hose so need to fix thaty tonight, hopefully i will have it back on the dyno tomorrow or sat and aim for an extra 100kw at 18-20psi