[s-cars] boost pressure sensor reading with vag-com?
Michael Wakefield
S4Quattro at comcast.net
Fri Aug 11 12:17:44 EDT 2006
Chris,
There is a barometric pressure gauge (F96) attached to the ECU. It
measures altitude. That's what your 1012.1 milibar reading may be.
That is different from the MAP sensor that is located inside the ECU,
and measures absolute manifold pressure.
Mike Wakefield
Highlands Ranch CO
93S4
97Cabriolet
On Aug 10, 2006, at 8:30 PM, Chris Reed wrote:
> Got some weird(or not so weird for an S car) boost issues with my car.
> Seems as though my MAP sensor has ceased functioning. I've driven
> the car
> around with Vag-Com hooked up and watching the measuring blocks. The
> Absolute pressure window stays at 1012.1 milibar at all times. I
> checked
> the line from the intake manifold to the ecu and there are no leaks or
> blockage. Am i right in thinking that the absolute pressure window in
> vag-com is referring to what the MAP sensor is reading?
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