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#1
06-30-2007, 04:51 PM
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fuel delivery problem
i am completely stumped on this one and hoping someone else has some advice. the car is an '83 240D manual running on b-99. i have just converted it to a 2 tank wvo car. i have about 5 years experience converting vehichles to run on wvo. here's the situation in cronilogical order:
1. car ran fine, slight engine shake at idle 2. converted to wvo-2 tanks, hyraforce 3port valves, fphe, hih, seperate filter for wvo than diesel. 3. for the wvo conversion the flow of fuel is modified to be: tank-filter-lift pump-injection pump-tank. 4.primed the car on biodiesel. started and died immidiately. 5. checked for air leaks(none) 6. tested flow of lift pump while cranking(bad LP) 7. replaced lift pump assembly with a new one. 8. car fired right up, ran for 10 minutes, started shaking and died. 9.rerouted fuel line back to stock configuration: tank-lift pump-filter-injection pump-tank 10.car starts and runs fine 11. replaced the pressure regulating banjobolt thing on the outlet side of the injection pump. 12. rerouted fuel to wvo configuration 13. car starts again, but now surges, dies ocasionally at idle is there any way to test the i.p.? i am going to test the injestors monday. ???????????????????????????????????????????????? 
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#2
06-30-2007, 05:00 PM
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Well not sure how to test the ip, other than cracking the lines a hair at the injectors. But generally i think they last a long time. I'd make sure you don't just have some kind of a fuel problem. When doing work on the fuel system plumbing you never know where either a leak or clog could be. I'd first test your car on a jug of diesel with fuel line and return line in the jug. Just use a similar setup as:
http://www.dieselgiant.com/injectorcleaning.htm If the car runs fine, then you know you've just got a leak or plug somewhere. Of course this setup assumes your fuel filters are not gunked up as well.
__________________
-E300d '99 350k -Suburban '93 220k -TDI Jetta '03 350k Sold -F250 '96 7.3 -Dodge Ram 12V -E320 '95 200k -E320 Wagon 1994 155k -300d Turbo '87 187k miles -E320 1994 200k -300d Turbo '84 245k (sold to Dan62) -300d Turbo '84 180k -300sd '80 300k -7.3 Powerstroke Diesel 15P Van 500k+ miles -190d '89 Non Turbo 2.5 5cyl 240k (my first MB) Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's.
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#3
06-30-2007, 05:02 PM
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Quote:
__________________
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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