Air/Fuel Gauge Install Tip

[Konstantin Bogach]

How can I fix another O2 sensor? Is welding job envolved?

Konstantin Bogach.

Alan Kramer wrote:

> Yeah, they're all like that.  Learned the hard way it's for the better,
> because routing my A/F gauge wire too close to the fresh air fan motor
> caused significant intereference on the line.  The shielding prevents that.
>
> I'd highly suggest running the A/F guage from a second oxygen sensor, cause
> if your signal from the sensor is seriously out of whack (i.e. either always
> very rich or always very lean) the computer will ignore it and put 0.5V on
> that line... Causing your gauge (and you) to believe you're always near
> stoich when you're really far from it.
>
> Additionally, I'd recommend using the green coaxial from a old ECU harness
> to go from your second sensor to your gauge, or a coaxial cable with the
> sheath grounded at one end only, to prevent induced currents on the signal
> from ground loops.
>
> ---------------------------------
> Alan Kramer
> http://www.geocities.com/audikramer
>
> '83 CGT
> '85 CGT turbo project
> '86 4kcsq
>
> > > I learned the hard way yesterday that my OXS wire leading up to the ECU
> > > had a sheath.
>
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