Engine Noise During Startup: A Complete Maintenance & Troubleshooting Guide
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When you hear unexpected engine noise the moment your vehicle starts, it’s usually a sign that something needs attention. While some noises are harmless, others can indicate wear, poor lubrication, or failing components. This practical, mechanic-style…
The Engine Makes Noise When Accelerating- Diagnosis and Solving the Issue
1) Pre-ignition / detonation / “pinging” (spark knock) Sound: A metallic pinging or rattling, usually at light to medium throttle. Often more noticeable under load/acceleration.Why: Fuel-air mixture ignites too early or unevenly — low octane fuel,…