2002 Nissan Altima SULPHER SMELL

Tiny
OLIVERA69
  • MEMBER
  • 2002 NISSAN ALTIMA
Smells problem
2002 Nissan Altima 4 cyl Automatic 148000 miles

I CAN SMELL A SULPHER LIKE SMELL COMING FROM MY AC VENTS WHENEVER I GUN THE CAR WHAT DOES THAT MEAN AND HOW CAN I FIX IT
Saturday, July 31st, 2010 AT 8:30 PM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
HI there, if you are on out side air, you will be picking up a bit of exhaust gas, so I would first have the exhaust checked for any leaks, and get a tune done, often the sulphur is just a case of some poor quality fuel, but if it persists it will need to be investigated further.

Mark 9mhpautos)
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Saturday, July 31st, 2010 AT 8:32 PM
Tiny
AB1975
  • MEMBER
  • 15 POSTS
That "rotten egg" smell can come from a bad catalytic converter, which is pretty common in the Altimas per my master mechanic friend. I have a 2004 and have the same smell.

He told me it shouldn't need to be replaced until it throws a code in the computer (Service Engine light). And then it will cost about $700 to replace (with cheap labor from him).

I still have the smell a year later and it still hasn't thrown the code for the catalytic converter. Knock on wood.
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Tuesday, October 12th, 2010 AT 1:24 PM

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