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Smells like rotten eggs - Tahoe Chevrolet Cars & Trucks

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I had that problem was sulphur in gaz. Change gaz station and ran it on 94 octane for a while and my problem was solve. But you still have that problem you may have to change your catalytic converter. But usually changing gaz station and gaz quality will do the job

Posted on Aug 02, 2008

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This is a normal condition for all american made vehicles, as most of them are rotten.

Posted on Aug 02, 2008

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SOURCE: 1996 chevy c1500 w/rotten egg smell,loss of power,rough idle

Your catalytic converter is plugged up,  If you check the exhaust output at the tailpipe you will find it restricted.
Let me know if I  can assist further.
Lone99star

Posted on May 08, 2009

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SOURCE: freelander td4, black smoke from exhaust when

SOUNDS LIKE CATALETIC IS PLUGING UP
HAVE AN EXHAUST ANALYSER TEST PERFORMED

Posted on May 08, 2011

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please rate and god bless.

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