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Old 01-09-2006, 03:55 AM   #8
snowman4us
Scooby Specialist
 
Member#: 21764
Join Date: Jul 2002
Chapter/Region: RMIC
Location: Salty Lake
Vehicle:
Some GDM V8,
JDM Flat 4 X2

Default

they have both a MAP and a MAF.
MAF messures the amount of air going into the engine. the MAP messures the pressure change.
MAF tells it how much air is moving in, the MAP tells the ECU the boost pressure as well as atmospheric pressure.
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