P0101MAF Sensor Range/Performance Problem
The MAF sensor sends signals outside the range expected by the ECU, indicating incorrect airflow readings.
This code also has a manufacturer-specific definition:
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Aire / Combustible · Inyección, MAF, MAP, O₂
Relacionado con la mezcla aire-combustible: sensores de flujo, presión, inyectores o bomba.
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- Poor acceleration
- Black exhaust smoke
- High fuel consumption
- Flooded engine
Possible Causes
The components or conditions that trigger this code
- 1Contaminated or faulty MAF sensor
- 2Vacuum leaks
- 3Clogged air filter
- 4Broken intake tube
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Clean the MAF sensor with electronic cleaner
- 2Inspect the intake tube
- 3Check the vacuum system
- 4Replace the sensor if needed
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Sensors + injectors
* Diagnosis only: $50–$150
Quick Info
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