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      02-21-2013, 01:14 PM   #40
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Drives: 335d Carbon Generator
Join Date: Jan 2013
Location: Chicago

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Originally Posted by ilmdc View Post
Does anyone know what code 4593 relates to?
Welcome to the spiral. I had 4592 ,4593, 459B faults in cylinders 4, 2 and 5. That visit they replaced my metering valve. Later they replaced all 3 injectors and cleaned out carbon. Ultimately they replaced the DDE.

My guess is it's a smooth running fault or injector failure in that cylinder.
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