Fuel Rail — Renault Duster
Category: Fuel System | Severity: high | Cost: ₹3,000–₹9,000
What is Fuel Rail?
A metal tube that distributes pressurized fuel evenly to all injectors.
How Fuel Rail Works
Fuel from the pump is stored under pressure in the rail and supplied to injectors as needed.
Why is Fuel Rail Important?
Ensures consistent fuel delivery across cylinders.
Common Problems
- Fuel leaks
- Pressure drop
- Cracks
Symptoms
- Engine misfire
- Fuel smell
- Loss of power
Causes of Failure
- Wear and tear
- High pressure stress
Impact on Car Performance
Uneven fuel distribution reduces engine efficiency.
DIY Fix Guide — Step by Step
- Inspect for leaks
- Check pressure
- Replace if damaged
Maintenance Tips
- Use clean fuel
- Check injectors regularly
Replacement Cost in India
Estimated range: ₹3,000 – ₹9,000
Where to Buy Online
When to Replace Fuel Rail
Replace when leaking or pressure is inconsistent.