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#1
08-26-2010, 12:14 PM
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Intermittent power loss, fuel filters or something else?
Recently I am experiencing some power loss in surges. I mostly notice it on the interstate. My filters are both fairly new, less than 6 months. Although I am running on a diesel tank now, just before this I ran 2 or 3 tanks of 50/50 diesel and filtered WVO. It ran fine on the WVO and has just started doing this on the diesel again. I wondered if the WVO knocked some gunk loose and I need a filter change or if this sounds like something else. It may not be related, but my fuel gauge has also started flickering occasionally.
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 "Gerwalt" 1984 - 300TD 
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#2
08-26-2010, 12:48 PM
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You might try swapping the supply and return lines in the engine bay. This will pull fuel through the return line and bypass the tanks screen. If the surges go away then your screen is clogged. Also look at your prefilter. If it's all gunked up you likely need new filters.
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Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#3
08-26-2010, 01:41 PM
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It seems like the problem just got worse on a quick errand run. It is very hard to start once it's warm for some reason. And the last time I cranked it I had extremely low power. Trying to pull out in traffic at walking speed is scary.
 I will try swapping the lines and also pick up some new filters on the way home.
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"Gerwalt" 1984 - 300TD
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#4
08-26-2010, 09:45 PM
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I changed both the primary and secondary filters and the power was still nonexistent driving around the neighborhood. Then I swapped the lines and it accelerated as it should. I guess I have to check the tank screen.
Can I leave the lines swapped for the commute tomorrow or is that dangerous?
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"Gerwalt" 1984 - 300TD Last edited by byronnash; 08-26-2010 at 09:47 PM. Reason: grammar/spelling
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#5
08-26-2010, 10:17 PM
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Not dangerous but don't let the fuel tank get real low.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#6
08-26-2010, 11:10 PM
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Quote:
Does anyone know about how low the Fuel your tank can get before there is an issue; 1/4 Tank, 1/2 Tank or????
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84 300D, 82 Volvo 244Gl Diesel
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