What is the MAP? on 1990 Mercedes-Benz 300SE

I found the MAP on the firewall and it can be adjusted by turning a knob.

by in Shirley, IL on March 01, 2012
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2 answers
ANSWER by , March 01, 2012
Manifold absolute pressure sensor. http://en.wikipedia.org/wiki/Map_sensor
ANSWER by , March 01, 2012
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