Fuel Injectors — Audi Q5
Category: Engine | Severity: high | Cost: ₹8,000–₹40,000
What is Fuel Injectors?
Fuel injectors deliver precise amounts of fuel into the combustion chamber under high pressure.
How Fuel Injectors Works
They atomize fuel into fine mist for efficient combustion, controlled electronically by ECU.
Why is Fuel Injectors Important?
Ensures proper air-fuel mixture for performance and fuel efficiency.
Common Problems
- Clogging
- Leakage
- Spray pattern issues
Symptoms
- Rough idle
- Misfire
- Poor mileage
- Black smoke
Causes of Failure
- Dirty fuel
- Carbon buildup
- Wear over time
Impact on Car Performance
Reduces efficiency and increases emissions.
DIY Fix Guide — Step by Step
- Use injector cleaner
- Refuel from trusted stations
- Scan ECU for errors
- Check fuel quality
Maintenance Tips
- Use premium fuel
- Periodic injector cleaning
Replacement Cost in India
Estimated range: ₹8,000 – ₹40,000
Where to Buy Online
When to Replace Fuel Injectors
When clogged, leaking, or causing misfires.