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My first 2002 Lexus IS300 would do this and my current 2004 Lexus IS300 does it. Does anyone know why or if its an issue?
 

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My first 2002 Lexus IS300 would do this and my current 2004 Lexus IS300 does it. Does anyone know why or if its an issue?
My 01 does this but its better when using 91-93 gas. Most people I read up says is normal and the catalytic converter is doing its job. Mines is more of a sulfur type smell...
 

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My 01 does this but its better when using 91-93 gas. Most people I read up says is normal and the catalytic converter is doing its job. Mines is more of a sulfur type smell...
I’m not sure what sulfur smells like. But if it smells bad, then I agree! Lol!
 

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Sulphur out of the exhuast smells like rotten eggs.
Idk what sulfur really smell like but I assumed it was cause its not a gas smell. When applying heavy throttle, the car have a distinct smell. It doesn't hurt performance and just assume its the gas im using lol.
 
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zKabi
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