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Old 08-26-2008, 10:25 PM
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Join Date: Aug 2008
Location: louisiana
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Exclamation emmissions air pump

my air pump is making a funny noise and causing my engine to race i looked up the part and it will cost me a fortune. is it really a necessary part?? what does it do? and how could i make it affordable for me being a college student. i really love my benz. it is a 1984 380 se her name is emma i would do anything to make things right again. i mean she has been garage kept for the past 24 years and everything has been perfect up until this point. help!!!

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Old 08-27-2008, 07:59 AM
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Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The air injection pump ON that model & most MB's is a warm-up emissions device.

Allows the catalyst to come on line quicker on cold starts.

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