Code No. P0102: Air Flow Sensor Low


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Conditions
  • The air flow sensor reference voltage is normal.
  • The average engine speed is within the monitoring range.
Judgment Criterion
  • The air mass per time unit is below a threshold.

FAIL SAFE FUNCTION



  • Torque control is operated.
  • EGR control is prohibited.

PROBABLE CAUSE



  • Failed air flow sensor