Knocking sound from engine

Engine makes knocking noise under load.

Issue Details

Severity: high
Impact: Serious engine damage risk.
Estimated Repair Cost: ₹30,000 – ₹2,00,000
Affected Years: All
Frequency: Rare

Symptoms

Knocking noise
Loss of power

Causes

Low octane fuel
Timing issues

Solutions

Use premium fuel
Engine tuning

Prevention Tips

Always use recommended fuel