P0101Hyundai Santa-feYears: 1996 - 2026
Mass Air Flow (MAF) Circuit Range/Performance
Reviewed by ASE Certified Technician
What does this mean?
Code P0101 means the MAF sensor signal is outside the expected range for the current engine operating conditions. The PCM detected that the air flow reading does not correlate with throttle position, RPM, or other sensor inputs.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Hyundai Santa-fe models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
Advertisement (In-Article)
Common Causes
Dirty or contaminated MAF sensor
Faulty Mass Air Flow (MAF) sensor
Vacuum leak in intake system
Intake manifold gasket leak
Clogged fuel filter
Symptoms to Watch For
- Check Engine Light is illuminated
- Rough or unstable idle
- Hesitation or stumble during acceleration
- Decreased fuel economy
- Engine stalling or dying unexpectedly
- Black smoke from exhaust (running rich)
- Engine surging or fluctuating RPM