Ignition Coil — Audi Q5
Category: Engine | Severity: high | Cost: ₹4,000–₹20,000
What is Ignition Coil?
Ignition coil converts low battery voltage into high voltage for spark plugs.
How Ignition Coil Works
It amplifies voltage to create a spark in the combustion chamber.
Why is Ignition Coil Important?
Critical for ignition system performance in petrol engines.
Common Problems
- Coil failure
- Weak spark
Symptoms
- Misfire
- Engine jerks
- Check engine light
Causes of Failure
- Wear
- Electrical faults
Impact on Car Performance
Causes poor combustion and power loss.
DIY Fix Guide — Step by Step
- Scan ECU for misfire codes
- Inspect coil connections
- Replace faulty coil
Maintenance Tips
- Check during servicing
Replacement Cost in India
Estimated range: ₹4,000 – ₹20,000
Where to Buy Online
When to Replace Ignition Coil
When misfire persists or coil fails.