Fuel Pressure Regulator — Renault Duster
Category: Fuel System | Severity: high | Cost: ₹2,000–₹7,000
What is Fuel Pressure Regulator?
Maintains optimal fuel pressure for injectors.
How Fuel Pressure Regulator Works
Regulates excess fuel pressure by returning fuel to tank.
Why is Fuel Pressure Regulator Important?
Prevents over or under fueling.
Common Problems
- Pressure imbalance
- Leakage
Symptoms
- Black smoke
- Poor mileage
- Hard starting
Causes of Failure
- Wear
- Clogging
Impact on Car Performance
Affects combustion efficiency and emissions.
DIY Fix Guide — Step by Step
- Check pressure
- Inspect vacuum line
- Replace if faulty
Maintenance Tips
- Use quality fuel
Replacement Cost in India
Estimated range: ₹2,000 – ₹7,000
Where to Buy Online
When to Replace Fuel Pressure Regulator
Replace when pressure fluctuates.