Bussey Posted July 3, 2014 Share Posted July 3, 2014 Are these completly useless? Looking at buying some gauges that are all matching and I think the AFR gauge is just the type that splices into the stock lambda feed, a few sites are saying that the readings on WOT are useless? I don't see how this can be true though surely. Quote Link to post Share on other sites
Ollieh17 Posted July 3, 2014 Share Posted July 3, 2014 Lambda is only used for certain rpm, cruising etc. then map sensor takes over. Thats what ive read before anyway Quote Link to post Share on other sites
gorganl2000 Posted July 3, 2014 Share Posted July 3, 2014 yeah, they are just pretty lightsuseless for tuning you need a proper wide band sensor/kit if you want to do it properly Quote Link to post Share on other sites
Bussey Posted July 4, 2014 Author Share Posted July 4, 2014 (edited) Yeah I though just as much, would there be any way of wiring up an AFR gauge to a completely separate wideband lambda? Surely it would just be a case of changing the signal wire over? Sort of had my mind set on the gauges I want now. Edited July 4, 2014 by Bussey Quote Link to post Share on other sites
mikey4410 Posted July 4, 2014 Share Posted July 4, 2014 For an air fuel ratio gauge u NEED a 5 wire bosch WIDEBAND sensor.thats the only option. However you can use a feed from the bosch wideband to power your cars standard single wire lambda feed to ECU.but it gives a later signal as its further away than the bosch wideband by 40+ inches.in my opinion only ever use the single wire standard lambda for the normal ecu feed and keep the wideband bosch totally seperate Quote Link to post Share on other sites
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