Problem / Pain Point
- What engine knock sounds like and why it matters
- Typical scenarios that trigger the knock
Quick Answer / Key Insight
- Most common causes at a glance
- Quick diagnostic checklist
Image source: Wikimedia Commons / R. Henrik Nilsson (CC BY)
Core Explanation / How It Works
- Detonation vs pre‑ignition explained
- How fuel octane, timing, and oil pressure affect knock
Step-by-Step Process / How to Guide
- Immediate safety checks
- Diagnostic steps using OBD‑II and visual inspection
- When to stop driving and call a professional
- Common mistakes to avoid
FAQs
- Can I drive with a mild knock?
- How do I know if the knock is serious?
- What does a knock sensor code mean?
