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#1
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bad milage on 300d. what to do?
i have an 81 300d merc with 180,000 miles on it. it seems to only be getting about 23 miles per gallon. what could be causing this and what can i do to fix it. it should be getting around 30 - 35 mpgs, right? any ideas would be helpful. thanks.
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#2
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23 may be slightly low but sounds about right - especially if you do alot of around town driving with the a/c compressor running.
You need to get a manual tranny 240D to get to the 33 mpg range and a mid 60's W110 diesel with manual tranny to get better than that.
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Jim |
#3
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Quote:
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Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche |
#4
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my 85 gets a consistant 22-24 mpg. Lead foot or feather foot seems to make no difference.
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1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12 1982 380SL 1978 450 SEL 6.9 euro restoration at 63% and climbing 1987 300 D 2005 CDI European Delivery 2006 CDI Handed down to daughter 2007 GL CDI. Wifes |
#5
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Quote:
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'91 300D 2.5 Turbo 330K '00 VW TDI Golf, 190K '67 BMW R50/2 '73 Norton Commando Interstate |
#6
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Hey,
I get 20 mpg but I think there is a problem with either the injection pump timing or the injectors themselves. I was considering having the injectors rebuilt and tested but after reading some of the horror stories here about rebuilds I think I may just buy new ones. It will only cost a little more per injector. Also, I used Power Service addative for the first time this week. I swear my car loves it. Makes you wonder about the quality of diesel fuel that's being sold these days. Danny
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
#7
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Quote:
TomJ a member does these.....I forget his website.
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Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche |
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