Exhaust noise during acceleration
The Toyota RAV4 produces an unusual noise from the exhaust system when accelerating, which may indicate an exhaust leak, loose component, or internal muffler issue.
Diagnosis Details
Possible Causes
Exhaust system leak (cracked pipe, loose joint, or gasket failure)
Loose or broken exhaust heat shield
Internal muffler baffle failure or catalytic converter damage
Related OBD-II Codes
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What You Should Do
Inspect the entire exhaust system for visible damage, rust, or loose components.
Check for exhaust leaks by listening for hissing or tapping sounds while the engine is running.
Tighten any loose clamps or bolts, and replace damaged gaskets or sections as needed.
If the noise persists, have a professional perform a smoke test or pressure test.
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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.
