Exhaust noise on acceleration
A 2020 Ford F-150 produces an unusual exhaust noise during acceleration, likely due to an exhaust leak, loose component, or failing catalytic converter.
Diagnosis Details
Possible Causes
Exhaust leak at manifold gasket or pipe joint
Loose or damaged heat shield
Failing catalytic converter (internal rattle or restriction)
Related OBD-II Codes
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What You Should Do
Inspect the exhaust system for visible leaks, loose shields, or rattles.
Check manifold bolts and gaskets.
If a rattle is heard from the catalytic converter, have it tested for blockage or internal failure.
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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.
