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Mass Air Flow Sensor

Tiny
VARGASN
  • MEMBER
  • 2002 NISSAN ALTIMA
  • 108,000 MILES
My husband is constantly changing the mass air flow sensor every three months. Sometimes we get an engine code and other times we don't. We are thiinking that may be it is something else.
Tuesday, April 30th, 2013 AT 5:58 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
MAF do not go bad every 3 months. I believe the wire harness needs to be checked.
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Tuesday, April 30th, 2013 AT 7:07 AM
Tiny
VARGASN
  • MEMBER
  • 3 POSTS
Is that the harness connected to the mass air flow sensor.
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Tuesday, April 30th, 2013 AT 7:31 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Yes, the connector that plugs into the MAF should be checked for damage. Its continuity to the engine computer should be tested. The problem might even be caused by the computer.
Any vacuum leakages can cause MAF problems and so do other trouble codesif any are present.
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Tuesday, April 30th, 2013 AT 4:42 PM

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