Purge Valve — Renault Duster
Category: Fuel System | Severity: medium | Cost: ₹1,500–₹5,000
What is Purge Valve?
Controls the release of fuel vapors from the charcoal canister to the engine.
How Purge Valve Works
Opens/closes electronically to allow vapors into intake manifold for combustion.
Why is Purge Valve Important?
Reduces emissions and improves fuel efficiency.
Common Problems
- Valve stuck open/closed
- Clogging
Symptoms
- Rough idle
- Fuel smell
- Check engine light
Causes of Failure
- Carbon buildup
- Electrical fault
Impact on Car Performance
Leads to poor combustion and emissions issues.
DIY Fix Guide — Step by Step
- Scan codes
- Check wiring
- Replace valve
Maintenance Tips
- Avoid overfilling tank
Replacement Cost in India
Estimated range: ₹1,500 – ₹5,000
Where to Buy Online
When to Replace Purge Valve
Replace when stuck or causing emission issues.