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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P0104: Mass Or Volume Air Flow A Circuit Intermittent/Erratic

DTC P0104: Mass Or Volume Air Flow A Circuit Intermittent/Erratic

P0104 - MASS OR VOLUME AIR FLOW A CIRCUIT INTERMITTENT/ERRATIC

Description:  A concern exists in the mass air flow (MAF) sensor A circuit, or the air tube containing the sensor, causing an incorrect air flow reading.
Possible Causes: 
  • Intermittent circuit A open or short.
  • Air leaks in the tube from the MAF to the throttle body
Diagnostic Aids:  Verify the integrity of the MAF sensor circuit A, for intermittent concern. Check the MAF sensor tube for air leaks.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - GO to Pinpoint Test DC . GO to Pinpoint Test DC .