’06 E320 CDI large reduction in diesel fuel Economy

Jan 30, 2007 1 Replies

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spone 19 years ago

have noticed a large drop (maybe 20% or more) in diesel fuel economy after 1st year. Not my imagination. was getting over 30 around town and almost 40 HWY. now 24/30. Has anyone else experienced this and what is the cause???

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jdoe 19 years ago

hard to believe those numbers in the first place, my o5 has always gotten 26/34 averaging 30 mixed daily use of 66k miles

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