P0100Mass Air Flow (MAF) Sensor Circuit Malfunction
The MAF sensor measures the amount of air entering the engine. When it fails, the computer cannot correctly calculate the air-fuel mixture.
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
- Rough idle
- Power loss
- Excessive fuel consumption
- Hard starting
- Irregular acceleration
Possible Causes
The components or conditions that trigger this code
- 1Faulty MAF sensor
- 2Loose or corroded electrical connections
- 3Intake system leaks
- 4Very dirty air filter
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Clean the MAF sensor with a specific cleaner
- 2Check the electrical connections
- 3Check for intake air leaks
- 4Replace the air filter
- 5Replace the sensor if it persists
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
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