Spark Plug (Electrodes, Insulator) — Renault Duster
Category: Electrical | Severity: medium | Cost: ₹200–₹800
What is Spark Plug (Electrodes, Insulator)?
Ignites air-fuel mixture in petrol engine cylinders.
How Spark Plug (Electrodes, Insulator) Works
Creates a spark between electrodes to ignite combustion.
Why is Spark Plug (Electrodes, Insulator) Important?
Critical for engine performance and fuel efficiency.
Common Problems
- Carbon buildup
- Worn electrodes
- Misfire
Symptoms
- Rough idling
- Poor mileage
- Engine misfire
Causes of Failure
- Wear
- Poor fuel quality
- Overheating
Impact on Car Performance
Reduces engine power and increases fuel consumption.
DIY Fix Guide — Step by Step
- Remove plug
- Inspect gap
- Clean or replace
Maintenance Tips
- Replace periodically
- Use recommended type
Replacement Cost in India
Estimated range: ₹200 – ₹800
Where to Buy Online
When to Replace Spark Plug (Electrodes, Insulator)
Every 20,000–40,000 km.