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Sulfur smell upon acceleration ?

JohnnyBronco

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I am not accelerating at full throttle. The smell occurs early in the rpm curve.
What fuel are you using? Sulphur smell should not come from 91+ octane Top Tier gas. If you are buying at a discount station that's the problem.

Edit Sorry, saw you are using 93 but from where, did you switch stations or did they fill underground with wrong product since it does uappen
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Big Boss

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Thanks for the insight. I’ve been using 93 the entire time I’ve owned the Bronco. Ive owned many cars and never had rotten eggs fill the cabin… Is there any benefit to getting a performance catalytic converter ?
Who's brand of gas are you using? You could do 330 said and switch to a top tier brand and see if that makes a difference. I used t never think much about the top tier branding but always used a name brand. I have noticed with the bronco I do get considerably better MPG when I use top tier from Shell or Mobil VS BP/Amoco
 
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Jeff Lebowski

Jeff Lebowski

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What fuel are you using? Sulphur smell should not come from 91+ octane Top Tier gas. If you are buying at a discount station that's the problem.

Edit Sorry, saw you are using 93 but from where, did you switch stations or did they fill underground with wrong product since it does uappen
Usually I fill at the same Mobil location.
 

Mattyfly42

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I've been using cheap gas. Ill try the good stuff.
 
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Jeff Lebowski

Jeff Lebowski

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I smell it under acceleration and when on the highway a lot. It's pretty annoying. I'm wondering if I get a aftermarket exhaust that comes out the corner more will help? Any new info OP on if what you tried worked?

I actually stopped noticing it… when I have the window open it’s more
Noticeable, but beyond that I don’t pay attention to it….
 

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Gtrekker

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I did see if you mentioned your miles... how many do you have on the cats now?
 

Mattyfly42

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Starting putting better gas in and don't notice it. For now. We will see when the weather gets better and the top is down.
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