GM MAP Sensors

[Joe Boucher]

Clare Snyder wrote:

> Except on some they are solid state, and although they ACT like a pot,
> they don't measure like one. On these animals the voltage on the second
> terminal varies with pressure, but an ohm-meter will not give you an
> indication. Sort of like a variable voltage regulator, varied by MAP.
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No (Solid Waste Materials)!!  I thought I was going crazy trying to get
a reading out of a map using just a resistance meter.  Not until I fed
it 5 volts could I get a change.

Joe Boucher
'70 RS/SS Camaro  '81 TBI Suburban