2000 PONTIAC BONNEVILLE
187,000 MILES
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Is the MAP sensor the same as MASS sensors and what factions do they have?
Nov 1, 2012 at 11:45 PM
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ASEMASTER6371
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mass air flow is a sensor in the big hose from air filter to throttle body.

map sensor measures engine vacuum and adjust mixture according to load.

most cars have one or the other but not both

Roy
Nov 2, 2012 at 12:06 AM