Mass Air Flow Sensor — Tata Motors Punch

Category: Fuel System | Severity: high | Cost: ₹3,000–₹8,000

What is Mass Air Flow Sensor?

Measures air entering engine.

How Mass Air Flow Sensor Works

Sends airflow data to ECU.

Why is Mass Air Flow Sensor Important?

Optimizes fuel injection.

Common Problems

Sensor failure

Symptoms

Poor acceleration

Causes of Failure

Dust contamination

Impact on Car Performance

Incorrect air-fuel ratio.

DIY Fix Guide — Step by Step

Clean sensor carefully

Maintenance Tips

Replace air filter regularly

Replacement Cost in India

Estimated range: ₹3,000 – ₹8,000

Where to Buy Online

When to Replace Mass Air Flow Sensor

If faulty readings.