Vent Valve — Renault Duster

Category: Fuel System | Severity: medium | Cost: ₹1,500–₹4,000

What is Vent Valve?

Controls air flow in and out of the EVAP system.

How Vent Valve Works

Opens to allow fresh air into system and closes during leak tests.

Why is Vent Valve Important?

Maintains proper EVAP pressure.

Common Problems

Stuck valve
Leak

Symptoms

Check engine light
Fuel smell

Causes of Failure

Dust
Wear

Impact on Car Performance

Triggers emission faults.

DIY Fix Guide — Step by Step

Inspect valve
Replace if faulty

Maintenance Tips

Keep EVAP lines clean

Replacement Cost in India

Estimated range: ₹1,500 – ₹4,000

Where to Buy Online

When to Replace Vent Valve

Replace when emission errors persist.