Burning Rubber Smell After Driving or High Speed
A burning rubber smell in a 2020 Ford Mustang, especially after driving or at high speeds, often indicates a slipping accessory belt, a dragging brake caliper, or a fluid leak (such as power steering or coolant) contacting hot engine components. It may also be caused by debris like plastic bags melted on the exhaust.
Diagnosis Details
Possible Causes
Serpentine belt slipping or misaligned due to wear, tensioner failure, or pulley misalignment.
Brake caliper sticking or dragging, causing excessive heat and burning rubber from brake components.
Fluid leak (power steering, coolant, or oil) dripping onto hot exhaust manifold or catalytic converter.
Plastic bag or other debris melted onto exhaust system after driving over it.
Related OBD-II Codes
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What You Should Do
Inspect the engine bay for visible leaks, check the serpentine belt for cracks or glazing, and examine brake rotors for excessive heat or uneven wear.
If the smell persists, have a professional check the belt tensioner, pulleys, and brake calipers.
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.
