Unusual Engine Compartment Noise at Idle in 2020 Honda CR-V
A noise from the engine compartment when the vehicle is at idle or stopped could indicate a variety of issues, ranging from loose components to more serious engine or accessory problems. Common causes include belt issues, exhaust leaks, or engine mount wear.
Diagnosis Details
Possible Causes
Worn or loose serpentine belt or tensioner causing a squealing or chirping noise at idle.
Exhaust manifold gasket leak or cracked exhaust component producing a ticking or hissing sound.
Worn engine mounts allowing excessive vibration and noise at idle.
Related OBD-II Codes
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What You Should Do
Inspect the serpentine belt for cracks or looseness and check belt tensioner operation.
Listen for exhaust leaks near the manifold.
Check engine mounts for visible damage or sagging.
If noise persists, have a professional diagnose with a stethoscope.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
