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Old 03-02-2012, 01:31 PM   #1
Join Date: Jan 2012
Posts: 21
Rio is on a distinguished road
Smelly Cat's on the 3.6

I did a quick search of past post's and havent found a similar question. The other half (who is the primary driver) asked if I would consult the collective wisdom on this topic.

The issue is a smell stronger than the normal mild hydrogen sulfide smell that you occasionally get with a catalytic converter. This smell, described as being like the smell of a septic tank being pumped occurs when the car is restarted after being driven a short distance.

My first thought goes to the catalytic converters not getting up to an effective temperature, cooling and then getting hit with exhaust gases.

Experiences or thoughts?
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