
Exhaust noise during acceleration
The Jeep Grand Cherokee 2020 produces an unusual noise from the exhaust system when accelerating. This could indicate an exhaust leak, a damaged muffler, or a failing catalytic converter.
Diagnosis Details
Possible Causes
Exhaust system leak (cracked pipe, loose clamp, or gasket failure)
Damaged or rusted muffler or resonator
Failing catalytic converter (internal honeycomb collapse or clog)
Related OBD-II Codes
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What You Should Do
Inspect the exhaust system for visible cracks, holes, or loose connections.
Check for soot or black residue around joints.
Listen for the noise with the vehicle on a lift or safely raised.
If the noise is metallic or rattling, the catalytic converter may need professional diagnosis.
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.

