good point...
if you have a 3 wire oxygen sensor-
the two wires that are same color are the heater wires. The one odd-ball
wire is the signal. As for the heater, one wire goes to 12V and the other
to ground. You don't even need the heater wire in reality.
m

Matthew Pollard          "Racing with the wind and flirting with death
Dept. Of Chemistry        So have a cup of coffee and catch your breath"
University of Idaho
www.uidaho.edu/~poll7356

On Mon, 10 Feb 2003, EMZ wrote:

> Wires to the O2 sensor are hooked up wrong.
>
>             Eric                   86-VW4x4
>             vw4x4@fyi.net          86-SS Syncro
>             Pittsburgh, PA USA     1936-Chrysler
>                                    92-Jetta GWC
>             www.fyi.net/~vw4x4/vw4x4.htm
>
> On Mon, 10 Feb 2003, Patrick Rueb wrote:
>
> > my van will lose all power. gas to floor makes motor starts poppin. idle at
> > 500 rpm. van doesnt really move. i just put in new temp sensor and o2 sensor.
> > only way i can drive it normal is keeping the o2 sensor disconneted. runs
> > perfect  with it unhooked. tried 3 different o2 sensors has soon as it goes
> > to closed loop no power. any ideas
> > 87 wolfsburg 2.1l 4 speed 273k miles
> > drivin with out an o 2 sensor hooked up
> > thank-you
> > patrick
> >
>