2002 Pontiac Grand Prix MAF

Tiny
CDOG45
  • MEMBER
  • 2002 PONTIAC GRAND PRIX
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 124,000 MILES
What is a MAF sensor and what does it do?
Friday, October 24th, 2008 AT 1:20 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
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.
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Saturday, October 25th, 2008 AT 6:19 AM

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