2001 Hyundai Santa Fe Logo
Posted on Jul 31, 2011
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I took my car to have it checked at Autozone. The results were OEM Number to Cross: P0102. What is wrong with my car?

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  • Posted on Jul 31, 2011
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P0102 refers to the MAF (Mass Air Flow) sensor. It may be dirty, faulty, or have a bad connection. Possible remedies are:

  • Verify that the Mass Air Flow Sensor wiring is connected properly and that there are no broken / frayed wires.
  • Inspect for any air leaks near the MAF sensor.
  • Take the MAF out and clean it using a spray cleaner such as brake cleaner or electrical contact cleaner. Be gentle with the sensor.
  • Check the voltage of the MAF sensor (refer to a repair manual for vehicle specific information)
  • Replace the MAF sensor.

  • Anonymous Sep 12, 2012

    I had same problem in my 2005 XG350. I followed your instructions and the code and check engine light disappeared. Thanks

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  • Posted on Jul 31, 2011
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Code P0102 Mass air flow ( MAF ) sensor circuit voltage low.

check for a leak in the hose from the air cleaner to the intake manafold, if the hose is ok most likey cause would be a bad MAF sensor....good luck

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