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Pontiac
Bonneville
Engine
MAP Sensor
Is the MAP sensor the same as MASS sensors and.
ANONYMOUS
MEMBER
2000 PONTIAC BONNEVILLE
187,000 MILES
Is the MAP sensor the same as MASS sensors and what factions do they have?
Thursday, November 1st, 2012 AT 11:45 PM
1 Reply
ASEMASTER6371
MECHANIC
52,797 POSTS
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
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Friday, November 2nd, 2012 AT 12:06 AM
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