P0102MAF Sensor Circuit Low Input
The MAF sensor detects less air than expected for the engine conditions.
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
- Sluggish engine
- Weak acceleration
- Hard cold starting
Possible Causes
The components or conditions that trigger this code
- 1Faulty or very dirty MAF sensor
- 2Air filter restriction
- 3Vacuum leak
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Clean or replace the MAF sensor
- 2Replace the air filter
- 3Look for vacuum leaks
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
Dig Deeper
Videos, images and service manuals
Have Another Code?
Look it up directly: