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Rotten Egg Smell

isthatacop
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isthatacop Member

isthatacop

Posted
Posted

I have a 2003 Boxster Tiptronic and recently noticed a rotten egg smell eminating from the car. It's not consistent - sometimes on startup, mostly when I punch the gas over 3500 RPMs. I'm concerned that it's the catalytic converter. I haven't had any issues with the car (it has 72,000 miles) thus far. Any thoughts?

Thanks!

rprieto Member

rprieto

Posted
Posted

Something is certainly going on with the catalytic converter but it may be caused by something else. For example, I received a bad “new” MAF sensor some time ago. It smelled foul soon after it was replaced. However, when I unplugged the sensor the smell went away on my 986. I assume you have don’t have a CEL but you might want to check if one is "pending" which was the case with my vehicle.

isthatacop Member

isthatacop

Posted
  • Author
Posted

No CEL, thankfully... How can I pinpoint the cause of the smell? I don't want to go through the headache of replacing everything.

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