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secondary air pump

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Old Dec 3, 2010 | 04:56 PM
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S55 AM%
secondary air pump

I had a check engine and it was showing secondary air pump, So went to MB and bought the part, then i swapped the part but its still showing same code.. Anyone have any input.. thanks
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Old Dec 4, 2010 | 01:10 PM
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Pinto
Originally Posted by excel55
I had a check engine and it was showing secondary air pump, So went to MB and bought the part, then i swapped the part but its still showing same code.. Anyone have any input.. thanks
RELAYS AND FUSE #40... LOCATE UNDER HOOD PASSENGER SIDE



RELAY PART: A 002 542 66 19 05


$20BUCKS AT DEALER


FUSE: 40AMP... YOU SHOULD HAVE SPARE IN BACK TRUNK

BTW: HOW MUCH YOU SPEND ON THE PUMP?
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Old Dec 13, 2010 | 05:20 PM
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Originally Posted by Viet_Amg408
RELAYS AND FUSE #40... LOCATE UNDER HOOD PASSENGER SIDE



RELAY PART: A 002 542 66 19 05


$20BUCKS AT DEALER


FUSE: 40AMP... YOU SHOULD HAVE SPARE IN BACK TRUNK

BTW: HOW MUCH YOU SPEND ON THE PUMP?
still not working, anything I should check..btw part is like 600.
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Old Dec 14, 2010 | 12:07 AM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Secondary air pump

lists for $871 sells for $148 free delivery www.autohausaz.com
usually not the issue as you have discovered.
Fuse good relay good.
Most likely the corroded check valves. Take them apart and clean them up or get new ones. If exhaust can't get through them or they don't close the reed valves you get the sec air code.
Don't know why you went to the dealer to buy parts or why you did not test the pump motor before throwing a new part at the problem.
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Old Dec 14, 2010 | 12:16 AM
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I didnt see the part listed in the website.
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Old Dec 14, 2010 | 12:21 AM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Live and learn

in the emissions section.
Now take off the check valves and clean then or replace. The motor is operating correct? It should click on when you start the car with the engine cold in the morning or anytime the engine is cold.
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Old Dec 14, 2010 | 12:23 AM
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it doesnt give me anything..here is the link, thanks for ur help..
http://www.autohausaz.com/search/gro...ssion%20System
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Old Dec 14, 2010 | 03:53 AM
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relay, fuse, pump.. all have to replace at once..
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