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Old 04-26-2012, 08:20 PM
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Join Date: Aug 2001
Location: southern illinois
Posts: 228
mercedes question

hi... i have a question, how to tell if one of the fuel pumps has stop working on a 93 mercedes 190e and what will probable happen that i will notice thanks.

Last edited by Sylvester; 04-26-2012 at 08:23 PM. Reason: change
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Old 04-26-2012, 09:54 PM
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Join Date: Feb 2007
Location: los angeles
Posts: 662
If you have 1 of 2 out its noisy, lack of acceleration, use and amp meter to see how many amps are being used on each individual wire,4 amps? maybe each pump, or you can disconnect the ground wire 1 at a time to see which one isnt running,or volume test approx 1 litre in 30 seconds into a container with pumps bridged to run

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