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under no pressure 700 1990

posted by  Poorgie on  Mon Apr 19 17:23 CST 2010
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last visit: Sat Jan 12 09:01 CST 2013
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My wife's 1990 740 Wagon has been down for a month. She has been driving our backup 240, which is running great, but I have been pulling out my hair trying to figure out why the 740 quit running and refuses to start. This evening I put a fuel pressure guage on it, while running the pump by jumpering terminals 1 and 11. The pump is working, but the guage shows little to no pressure. If I disconnect the fuel line from the rail,and direct the hose into a bottle, there is good fuel delivery. The return hose is off, and no fuel is returning to the tank. Why don't I have fuel pressure?






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New under no pressure [700][1990]
posted by  Poorgie  on Mon Apr 19 17:23 CST 2010 >


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