Spark Plug — Nissan Gravite
Category: Electrical | Severity: high | Cost: ₹400–₹1,500
What is Spark Plug?
Ignites air-fuel mixture inside engine cylinders.
How Spark Plug Works
Creates spark using high voltage from ignition coil.
Why is Spark Plug Important?
Essential for combustion process.
Common Problems
- Carbon fouling
- Wear
Symptoms
- Misfire
- Poor acceleration
Causes of Failure
- Old age
- Poor fuel quality
Impact on Car Performance
Reduced engine power and efficiency.
DIY Fix Guide — Step by Step
- Remove spark plug
- Inspect condition
- Clean or replace
Maintenance Tips
- Replace periodically
Replacement Cost in India
Estimated range: ₹400 – ₹1,500
Where to Buy Online
When to Replace Spark Plug
Every 20,000–40,000 km.