P0101

DTC P0101
MASS AIR FLOW SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (QA - R)

Description
- The MFI system employs a hot film type Air Flow Sensor. These Mass Air Flow Sensors convert the amount of air taken into the Engine into an electric signal by utilizing the heat transfer phenomenon between the incoming air and a heating resistor (hot film) located in the air intake.
- The features of these flow sensor types are as follows:
a. High-altitude compensation is made automatically.
b. Quick response.
c. These are no moving parts.
d. They are compact.

DTC Detecting Condition
Two consecutive trips with fault.

Trouble Symptom
- Erroneous idling.
- Engine stalls.
- Poor driving performance.