Mass Air Flow Sensor
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Beck/Arnley Mass Air Flow Sensor

Part No. 158-0704 Warranty Details  
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Sensors are specifically designed for the applications specified for a quick replacement repair. Quality products that are critical for smooth operation and fuel efficiency. Advanced thermoplastics, optimized designs, durable over entire RPM range all assure long life & peace of mind.
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Mounting Bracket Included:No
Mounting Hardware Included:No
O.E.M. Replacement:Yes
Performance Rated:No

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1 Question | 1 Answer
Displaying question 1
  • Q:

    does this mass air flow sensor have another sensor built on to it because thats what someone told me? and the check engine light came on an i got the code but forgot it and advanced said it was a sensor on the mass air flow sensor that was part of it?? is this true and do u no the name of the sensor maybe it will ring a bell.
    Asked on 8/20/2012 by chizil from southampton

    1 answer



      No, I am sorry. There is no second sensor within the Mass Airflow Sensor (Beck/Arnley Mass Air Flow Sensor - Part No. 158-0704). The "check engine" light comes on when the powertrain computer has detected a fault in one of the engine electronic systems. This fault is stored as a trouble code and can be retrieved from the powertrain computer with a scan tool. Following trouble codes are associated with a mass airflow sensor:
      P0100 - Mass Air Flow Circuit Malfunction
      P0101 - Mass Air Flow Circuit Range/Performance
      P0102 - Mass Air Flow Circuit Low
      P0103 - "Mass Air Flow Circuit High"
      P0104 - "Mass Air Flow Circuit Intermittent"
      The trouble codes P0171 System Too Lean (Bank 1) and P0174 System Too Lean (Bank 2) are also could be caused by a bad or contaminated mass air flow sensor. If your check engine light is on, have your vehicle's computer scanned. Often, an air flow sensor can be checked with a scan tool. Usually, the air flow readings of the sensor in question taken at different rpms compared to the readings of a known good sensor. Typically, a contaminated air flow sensor will show different amount of air flow than a known good sensor. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.

      Answered on 8/21/2012 by John the Car-Doc from AAP
Displaying question 1

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