R32 Gtr O2 Sensor Problem

[SiR_RB]

I got my nistune software and consult cable etc few weeks ago, now when I go to consult gauges with the car running, it show's u rpm, afm voltages, o2 sensor etc etc

I noticed that one of my o2 sensors is showing 0.08ish at idle while the other is showing 2.50ish

I disconnected the back o2 sensor nothing changed, plugged that one back in and unplugged the front one and both showed 0v now

Why is it when the front one is disconnected both go offline according to the consult gauges ?

It's almost like the front one is controlling both? But ones voltage is mega high?

What the hell is causing this

[SiR_RB]

Was also doing the same thing while it was getting road tuned, so it's not only doing this at idle

[Beer Baron]

well first of all I'd say it's faulty sensor. as to why they both disconnect when you unplug one of them I have no idea but it certainly sounds like one or both of your sensors need replacing.

[R31Nismoid]

Honestly just disable them through the menu and tune around them.

I managed 600kms to a tank on the FWY with a 350rwkw 33GTR and no O2 sensors enabled. I can get around 250-400 around town depending on my mood

They honestly do sweet FA if your tune is good. Saves you money as well.

I didnt run them in the GTS-R either, and with a 270rwkw setup and 4.3'a (so over 3000rpm @ 100km/h), i still could get 550km to a tank

[SiR_RB]

hmm interesting point...it got road tuned on sat, and managed about 250kms to half a tank, giving it a bootful too so im happy with fuel economy

might just let them be, saves my $500 or so aswell

cheers

[DVS JEZ]

We tuned it how it is Michael so i would just leave it exactly how it is.

When u get the cam gears etc we can retune it without the 02sensors but honestly

I wouldnt worry about them especially if ur getting 250 to half a tank. Must be a good tune

[R31Nismoid]

he he GTR fuel gauges, i get 120 to the first 1/4.

the last 1/4 about 60

[DVS JEZ]

wowsers, must be cruising it to get 60k's to half a tank

[Moodles2]

2.50v is rather worrying considering narrowband is 0-1v

[snozzle]

you guys are making me jelous now - i get 320km to a full tank in my gtr 400 would be nice!

[DVS JEZ]

my GTR on E85 gets 420km to a tank when my missus drives it, not so much when im driving...