Mercedes-Benz

2001 clk320---throws codes P0170 & P0173 which state--Self adjustment of mixture formation is to threshold limit value of ME-SFI control module. My information states this: Manufacture does not provide any information
as to the possible causes for this code.
Has anyone dealt with this problem before?
Please share any information that you may have that is related to this issue.
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Not on my ISUZU.

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