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Question:

Can a fuel additive be used to eliminate a rotten egg smell in a car?

Can a fuel additive be used to eliminate a rotten egg smell in a car?

Answer:

Tire air pressure, alignment, C.V. Joint, ball joints or bushings may be worn or missing.
Converter normally makes this smell when operating correctly under heavy throttle. Are you having this problem elsewhere? And no, no fuel additive will fix it, regardless of the cause. Additionally, nothing in a bottle will ever fix your car, it's called snake oil.
No fuel additive will elevate this issue. The pungent odor is cause by a failure somewhere within the exhaust system, more than likely the catalytic converter.
I would take it back to the same garage,maybe they have overlooked something, also your other wishbone might also need changing, so as to even it out.
No. This smell is cause by a clogged catalytic converter. The only resolution is replacement.

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