Knocking sound from engine

Engine produces knocking noise under acceleration.

Issue Details

Severity: high
Impact: Serious engine damage risk.
Estimated Repair Cost: ₹10,000 – ₹1,50,000
Affected Years: 2021-2024
Frequency: Rare

Symptoms

Knocking noise

Causes

Poor fuel quality

Solutions

Use premium fuel
Engine check

Prevention Tips

Always use recommended fuel