Spark Plugs — Audi Q3
Category: Engine | Severity: high | Cost: ₹2,000–₹8,000
What is Spark Plugs?
Spark plugs ignite the air-fuel mixture in petrol engines.
How Spark Plugs Works
Creates a spark to initiate combustion.
Why is Spark Plugs Important?
Essential for engine ignition in petrol engines.
Common Problems
- Fouling
- Wear
Symptoms
- Misfire
- Hard start
- Poor mileage
Causes of Failure
- Carbon buildup
- Wear
Impact on Car Performance
Reduces engine efficiency and power.
DIY Fix Guide — Step by Step
- Inspect spark plugs
- Clean or replace
- Check ignition timing
Maintenance Tips
- Replace every 20,000–40,000 km
Replacement Cost in India
Estimated range: ₹2,000 – ₹8,000
Where to Buy Online
When to Replace Spark Plugs
Replace as per service schedule or misfire issues.