S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

diesel injectors problem

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Old 01-23-2018, 02:36 PM
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w221 2009 s320cdi , w220 2002 s430
diesel injectors problem

hello
my problem is that when my engine is cold- the idle rough (gentle misfiring) and i get a heavy white smoke from the exhaust.
when the engine gets warm, and in driving- there is no smoke but the emissions is stinky.

{2 years ago i had white smoke problem - i replace 2 brand new injectors, and 4 refurbished}.
i have no fault codes present.
now i'm trying to understand the measurements of the star diagnostic for the injectors- maybe someone can help me figure which injector\s faulty...

this is the cold engine idle



this is the hot engine idle




this is the cold 1500rpm



this is the hot 1500rpm




thanks!!

Last edited by adielch; 01-23-2018 at 02:42 PM. Reason: add picture
Old 01-23-2018, 03:40 PM
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1999 E300TD
You need to do a leak oil test to confirm which injector is faulty------Plus did you happen to open your eyes and read the lower left hand paragraph(see above F1) regarding variations.

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