Engine knocking sound in M2

Knocking or pinging noise from engine during acceleration.

Issue Details

Severity: high
Impact: Can damage engine internals.
Estimated Repair Cost: ₹8,000 – ₹70,000
Affected Years: 2016-2024
Frequency: Occasional

Symptoms

Knocking noise
Loss of power

Causes

Low-quality fuel
Carbon buildup

Solutions

Use premium fuel
Engine cleaning

Prevention Tips

Avoid low-grade fuel