Knocking sound from engine under load in Carnival — Kia Carnival
A knocking sound is heard when accelerating hard.
Severity: Medium | Repair Cost in India: ₹3,000 – ₹25,000 | Affected Years: 2020-2024 | Frequency: Common
What is the “Knocking sound from engine under load in Carnival” problem?
A knocking sound is heard when accelerating hard.
Impact on driving: May damage engine over time.
Issue Details at a Glance
- Severity
- Medium
- Impact
- May damage engine over time.
- Estimated Repair Cost
- ₹3,000 – ₹25,000 (parts + labour, Indian workshops)
- Affected Years
- 2020-2024
- Frequency
- Common
Symptoms to Watch For
- Knocking noise
Likely Causes
- Low quality fuel
- Carbon deposits
Recommended Solutions
- Use better fuel
- Engine cleaning
Prevention Tips
- Avoid low-grade fuel
Should you worry about this issue?
This is a medium severity issue on the Kia Carnival. Plan a workshop visit within a few days. Ignoring it usually leads to higher repair bills later.