DEF (AdBlue) Injector — Renault Duster
Category: Exhaust | Severity: medium | Cost: ₹8,000–₹25,000
What is DEF (AdBlue) Injector?
Injects AdBlue into exhaust stream for NOx reduction.
How DEF (AdBlue) Injector Works
Sprays DEF fluid in precise quantities into SCR system.
Why is DEF (AdBlue) Injector Important?
Ensures effective NOx reduction.
Common Problems
- Clogging
- Injector failure
Symptoms
- Warning light
- High emissions
Causes of Failure
- Crystallization
- Poor DEF quality
Impact on Car Performance
Reduced SCR efficiency leads to emission failure.
DIY Fix Guide — Step by Step
- Clean injector
- Use fresh DEF
- Replace if clogged
Maintenance Tips
- Avoid DEF contamination
- Regular checks
Replacement Cost in India
Estimated range: ₹8,000 – ₹25,000
Where to Buy Online
When to Replace DEF (AdBlue) Injector
When clogged or not injecting properly.