ford tempo CFI throttle body

[Bruce Plecan]

> Hi. I am going to use a injector throttle body from a 2.3 litre 4 Cyl
> 1987 ford tempo.
> the question I have is about the throttle position switch. I just bought
> a new one, pricey too, and from some simple tests, it does not appear to
> have an actual switch, but might have some hall effect sensors or
something.
> Does anyone on the list know ? the unit is sealed, it has 3 wires coming
out
> of it.
> thanks, Ted
> Ted,
> According to my Mitchells "Electronic Fuel Injection component diagnosis
> and testing guide", your sensor is basically a potentiometer.

Please remember these type folks just try to explain things so the average
Joe mechanic can grasp what's going on.  I've cracked open some MAPs, and
there is alot more then a whetstone bridge in there
Grumpy

It
> doesn't show which pin is which but does show the colors of the 3 wires.
> They are:
> Org-Wht           Vref  (5V ?)
> Dk Grn-Lt Grn  Throttle position
> Blk-Wht            Signal return  (ground)
> HTH
> . David Rhoads II


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