exhaust smells a rotton egg

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jmorasch
Posts: 162
Joined: Sat Jul 14, 2007 12:39 pm
Car: 91 Q45 x2

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had my q in the shop with it running and noticed an awful smell after coming back,it had sit running for a few minutes???? anybody got any ideas on the cause? cat converters bad??

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MinisterofDOOM
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Posts: 30928
Joined: Wed May 19, 2004 5:51 pm
Car: 1962 Corvair Monza
1961 Corvair Lakewood
1974 Unimog 404
1997 Pathfinder XE
2005 Lincoln LS8
Former:
1995 Q45t
1993 Maxima GXE
1995 Ranger XL 2.3
1984 Coupe DeVille
Location: The middle of nowhere.

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Yeah, usually rotten egg smell is usually from an overworked cat. Could be a sign that the car is running rich which could indicate leaky injectors or other fuel issues.
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Q45tech
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Posts: 14296
Joined: Tue Apr 30, 2002 3:19 am
Car: 1990 Q45 342,400 miles 22 years ownership with original engine
1995 G20t 5 speed 334,000 miles 16" 2002 wheels - 205/50/16 Sr20ve vvl

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Rotten egg = hyrogen sulfide gas. Sure sign that the fuel is defective in manufacture.
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