P0102
Mass Air Flow Sensor Low Input
System: Air/Fuel
Severity: medium
What does P0102 mean?
The DTC P0102 (Mass Air Flow Sensor Low Input) is a fault code stored by the ECU when it detects a MAF low condition in the air/fuel subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0102
- Dirty MAF sensor
- Air leak post-MAF
- Faulty MAF wiring
How to fix P0102
Clean MAF with sensor-safe spray, inspect intake boots. DaVinci can recalibrate MAF scaling on aftermarket intakes.
Tuning approach with DaVinci Deluxe
For P0102, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- MAF scaling rescale
- Switch to speed-density (advanced)
Need to fix P0102 on your ECU?
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