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190E "Pre-Cat"

 
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Scott Buchanan

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Since: Dec 02, 2003
Posts: 123



(Msg. 1) Posted: Sat Apr 26, 2008 8:07 am
Post subject: 190E "Pre-Cat"
Archived from groups: alt>auto>mercedes (more info?)

What is the purpose of the Pre-Cat found in Mercedes gas engine exhaust
systems?

Thanks

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Tiger1

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Since: Jan 07, 2004
Posts: 981



(Msg. 2) Posted: Sat Apr 26, 2008 7:55 pm
Post subject: Re: 190E "Pre-Cat" [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Older cats are not as efficient as the new cats... the precats are hotter
because it is closer to the engine... thus reduce the emission.

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