Car Smells
Catalytic Converters
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Chevy S-10

94 Chevy S-10 V-6 why does exhaust smell like rotten eggs every now and then white smoke from exhaust gas pedal sticks Already replaced cat. converter?

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Wiki User
September 12, 2011 7:52AM

is it possible that it may have precats after the manifolds

Answer

Have you tried removing and cleaning the EGR valve? They get clogged with carbon. A gasket is available with a screen to help this problem.