2002 Pontiac Grand Prix MAF

2002 PONTIAC GRAND PRIX
124,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CDOG45
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  • 1 POST
What is a MAF sensor and what does it do?
Oct 24, 2008 at 1:20 PM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
MAF (Mass Air Flow) measures the volume (Mass) of air going into engine and is critical in the PCM adding correct amount of fuel.

MAF used in conjunction with an oxygen sensor, the engine's air/fuel ratio can be controlled very accurately.
Oct 25, 2008 at 6:19 AM
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