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Old 08-05-2003, 05:24 PM
sab sab is offline
Registered User
Join Date: Apr 2003
Location: Ft Lauderdale
Posts: 85
S320 - foul smell bad CAT?

I was recently following my S320 in traffic (wife was driving...) and noticed a pesty foul exhaust smell.
Now I have had some problems with a surging idle and some ruff running at the highway. And a Oxygen sensor warning (check engine light)
Is it possible my Catalyst is bad or clogged?
How would I check?
'07 ML320 CDI (398 ft lbs / 1400 RPM)
'02CL 500
'91 928 GT Supercharged
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