DIY wideband o2 sensor meter
12-19-2002 | 08:30 AM
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12-19-2002 | 09:38 AM
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From: Rancho Palos Verdes, CA
Vehicle: 2008 Toyota Prius 2006 Suzuki SV650S
Just a quick note. this is NOT a real Wide band O2 sensor.
QUOTE
AFR range of 10:1 (1.4 Volts) thru' 14.7 (2.5 Volts) to 25:1 (3.1 Volts).
All of the "True" Wide band O2 sensors I have seen use a 0 to 10V system, not a 1-4V system.
12-19-2002 | 11:38 AM
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yes, but given that, how accurate or effective will/can this be? i mean, if it's 90% as good as a "real" sensor, why not use this if you're on a budget. if it's 30% as effective, then i see why it's s**tty. you guys know more than i do about wideband o2 sensors, that's why i'm asking. random, as you said the true wbo2 sensors use 0-10v readings, would that just give you better resolution? i mean, this thing goes from 10:1 to 25:1. i don't think i'll ever be past those two extremes, even when tuning.
12-19-2002 | 10:00 PM
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QUOTE
turbulence:
yes, but given that, how accurate or effective will/can this be? i mean, if it's 90% as good as a "real" sensor, why not use this if you're on a budget. if it's 30% as effective, then i see why it's s**tty. you guys know more than i do about wideband o2 sensors, that's why i'm asking. random, as you said the true wbo2 sensors use 0-10v readings, would that just give you better resolution? i mean, this thing goes from 10:1 to 25:1. i don't think i'll ever be past those two extremes, even when tuning.
But if it's based off of a regular O2 sensor, then the gradient won't be linear. A regular O2 sensor can pretty much read those ratios, but the voltage/ratio gradient is so extreme at the ends that it's just not accurate.yes, but given that, how accurate or effective will/can this be? i mean, if it's 90% as good as a "real" sensor, why not use this if you're on a budget. if it's 30% as effective, then i see why it's s**tty. you guys know more than i do about wideband o2 sensors, that's why i'm asking. random, as you said the true wbo2 sensors use 0-10v readings, would that just give you better resolution? i mean, this thing goes from 10:1 to 25:1. i don't think i'll ever be past those two extremes, even when tuning.
This could be a new type of O2 sensor though... best bet would be to get the sensor's part number and cross-reference it. It could be something new/inexpensive they're sticking in ULEV's nowadays.
EDIT:
Whoops, eating my own words. I just took a peek... it's a new style of wideband sensor, and it's *not* inexpensive...
[ December 20, 2002, 05:02 AM: Message edited by: Mike Free ]
