Unusual engine noise during cold start in Carnival
A rattling or knocking sound is heard when starting the car in the morning.
Issue Details
- Severity
- medium
- Impact
- Indicates wear or lubrication issue.
- Estimated Repair Cost
- ₹2,000 – ₹20,000
- Affected Years
- 2020-2024
- Frequency
- Common
Symptoms
- Rattling sound
- Noise disappears after warm-up
Causes
- Low engine oil
- Timing chain wear
Solutions
- Top up oil
- Inspect timing components
Prevention Tips
- Regular oil change