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Old 04-18-2017, 02:24 PM   #53
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Default Re: Low DEF False Alarm & Another Really Bad Mercedes Dealer

Originally Posted by TooMuchHair View Post
Dennis, should (could) we be doing preventive maintenance on the DEF dosing valve, or any other part of this system other than adding DEF?
I know you said Dennis but allow me. I have been studying Sprinter emission operating principles for two-years and, other than using fresh, clean DEF, have read zero MB maintenance publications related to exhaust after treatment system.

From my studies, learning the Sprinter's operational "Sweet Spot" as described by others is the only way to ensure long emission component service life. Dennis had described it as ran the vehicle like you stoled it.
A mind is a terrible thing to waste.

Last edited by Bobnoxious; 04-18-2017 at 03:25 PM.
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