Engine knocking sound under load in Grand i10 NIOS

Some drivers hear a knocking or pinging sound when accelerating hard or driving uphill.

Issue Details

Severity: medium
Impact: Can reduce engine life if ignored.
Estimated Repair Cost: ₹2,000 – ₹10,000
Affected Years: 2019-2024
Frequency: Occasional

Symptoms

Knocking noise
Reduced performance

Causes

Low quality fuel
Carbon deposits

Solutions

Use high-quality fuel
Engine cleaning

Prevention Tips

Avoid low-grade fuel