[MR2] <MKIIT>Narrow or wide band?
autoxer at sbcglobal.net
Mon Nov 19 21:40:59 EST 2007
No, four wires doesn't mean wide band. Two wires are for the O2 sensor
and the other two are heater wires, used to preheat the sensor before
the engine warms up.
93 SMG Turbo
Kevin Parker wrote:
> Okay, so I bought an Autometer (
> http://www.autometer.com/cat_gaugedetail.aspx?gid=3083&sid=11) gauge. Upon
> attempting to hook it up, it seems that the O2 sensor has four wires. Now,
> from the searching and digging that I have done on the internet, I'm
> assuming that means that it's a wide-band. Is that the case?? If so, the
> gauge I bought won't work with it. GRRR. The Autometer wide-band is over
> $300 and comes with an O2 sensor, which I don't exactly need. So, DOES four
> wires mean wide-band?
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