Engine knocking sound during acceleration in Bolero Camper

A loud knocking or tapping sound is heard when accelerating, especially under load.

Issue Details

Severity: high
Impact: Can damage engine internals if ignored.
Estimated Repair Cost: ₹4,000 – ₹25,000
Affected Years: 2013-2024
Frequency: Common

Symptoms

Knocking noise
Reduced power

Causes

Poor fuel quality
Carbon buildup

Solutions

Use good diesel
Engine cleaning

Prevention Tips

Avoid low-quality fuel