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#1
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Started smelling rotten eggs.
The Cat. Converter has no rust spots and seems to be in good condition [from the outside]. I just took the car for it's yearly state inspection, and they said the emission from the exaust was nominal.Should i just leave well enough alone,or could this turn into a larger problem later.Since this smell seems to be the demize of a Cat.
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#2
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Try switching to a different brand of gasoline.
![]() Btw., a smelly cat does NOT necessarily mean it's going bad !
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2007 C 230 Sport. ![]() |
#3
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check your battery for this smell, if it is coming from the battery it's either a cracked battery causing leakage of the acid or a faulty alternator/regulator overcharging the battery and "cooking' the acid into vapor and causing this problem, as you probably know the acid is very coorosive and damaging so check this out asap
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Jerry 2004 SL500 Black 55K Miles ![]() 2002 s500 Black 90K Miles ![]() 1986 300E Gold 233K Miles ![]() 1966 Twin Cessna 320D ![]() 1989 Jeep Cherokee 233K Miles ![]() 1994 Ford Van E150 399K Miles ![]() |
#4
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Rotten egg smell is emitted from the sulphur byproducts used in your catalyst.
It may still be fine, unless you are experiencing performance issues...in which case, it might be clogged. Battery sulphur vapors don't smell like rotten eggs...smells like acid, and your eyes and nasal passages burn! First hand testimony to this when my voltage reg. gave out and over charged the battery, causing it to boil and vent!
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2009 ML350 (106K) - Family vehicle 2001 CLK430 Cabriolet (80K) - Wife's car 2005 BMW 645CI (138K) - My daily driver 2016 Mustang (32K) - Daughter's car |
#5
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G-BENZ: Can you be more specific about [Performance issues].
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#6
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Quote:
Performance issues I believe are reduced horsepower/torque output, especially at higher RPMs.
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2006 BMW M5 "Heidi" @ 109,000 miles 2005 MBZ C55 AMG "Lorelai" @ 165,000 miles 1991 MBZ 300E "Benzachino II" @ 165,000 miles 1990 MBZ 500SL "Shoshanna" @ 118,000 miles (On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!) |
#7
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Thanks for the info!
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