Engine Compartment Noise During Acceleration
A 2019 Honda Civic produces an unusual noise from the engine compartment when accelerating. This could indicate issues with the serpentine belt, exhaust system, or engine mounts.
Diagnosis Details
Possible Causes
Worn or loose serpentine belt causing a squealing or chirping noise under acceleration.
Exhaust manifold leak or gasket failure producing a ticking or hissing sound when engine is under load.
Failing engine mount allowing excessive movement and metal-on-metal contact or thumping noise during acceleration.
Related OBD-II Codes
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What You Should Do
Inspect the serpentine belt for cracks, glazing, or tension issues.
Check for exhaust leaks around the manifold and gaskets.
Examine engine mounts for visible damage or excessive play.
If noise persists, consult a professional mechanic for further diagnosis.
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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.
