Mass Air Flow Sensor — Jeep Compass

Category: Fuel System | Severity: medium | Cost: ₹5,000–₹15,000

What is Mass Air Flow Sensor?

Measures the amount of air entering the engine to adjust fuel injection.

How Mass Air Flow Sensor Works

Uses sensors to detect air volume and send data to ECU.

Why is Mass Air Flow Sensor Important?

Ensures correct air-fuel ratio.

Common Problems

Sensor failure
Dirty sensor

Symptoms

Check engine light
Poor mileage
Engine hesitation

Causes of Failure

Dust buildup
Electrical faults

Impact on Car Performance

Incorrect fuel mixture leading to poor performance.

DIY Fix Guide — Step by Step

Clean sensor using MAF cleaner

Maintenance Tips

Keep air filter clean

Replacement Cost in India

Estimated range: ₹5,000 – ₹15,000

Where to Buy Online

When to Replace Mass Air Flow Sensor

When cleaning does not resolve sensor errors.