F350 smell
#1
F350 smell
Hi all, a friend's F350, a '94 automatic, reeks of rotten eggs after about 20 min. of driving. A dealer changed the IAC. No help, I think it's the catalytic converter, dealer says it didn't come up on the diagnostic. Any other ideas, Thanks in advance
#3
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Join Date: Jun 2008
Location: Eastern Georgia
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You stated the IAC was changed so I assume it is a gas engine, if so I would be looking for a vacuum leak or any thing else that would cause a lean mixture. lean mix is a big cause of rotten egg smell in gas engines.
#5
update on the smell
Turns out it was the battery being overcharged, supposedly the battery was too small, for the vehicle and the alt. was charging the hell out of it.