1987 420sel pollution control air pump questions - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 02-08-2010, 07:27 PM Thread Starter
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Date registered: Apr 2005
Vehicle: 2005 S55; 2003 ML350; 2002 C240; 1997 C280 Sport; 1991 300SL; 1986 190e 2.3 16V (2); 1968 W30 442
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1987 420sel pollution control air pump questions

1987 420sel:

Can somebody describe to me the purpose of the air pump, what conditions need to be met to make it engage, is there any feedback to the car's electronics that it is or is not working, and what the result of a lack of feedback would be?

ie - supposed to be engaged, but is not - what happens?

2005 S55
2003 ML350
2002 C240
1997 C280 Sport
1991 300SL
1986 190e 2.3 16V (2)
1968 W30 442
1988 46' Cougar US1 with Triple blown 572s
Warming the Globe, 24 Cylinders at a Time
Point me to a 126 wagon in the States PLEASE!
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