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Fuel pressure question. 900 1994

posted by  The Rod on  Tue Jul 16 09:56 CST 2013
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last visit: Fri Oct 17 12:15 CST 2014
[RELATED]

94 940 NA, Bosch, two fuel pump dealie. I have a pressure tester and want to test at the Schrader which is immediately prior to the main fuel pump in order to test the rear pump. Anyone know what the reading should be on this "rear schrader"?
I am experiencing what sure as heck feels like a dramatic loss of power under load. Fuel is 1/4 full. Only code I got is for "lean condition". I can hear the in-tank pump running with fuel cap off and I hear the fuel splashing like a healthy return so I am guessing the fuel hose has come loose on the in-tank pump. Before I go yanking it out I figure why not test at the rear schrader....hmmmm.
Starts and idles every time but bogs down big time. Its a spare vehicle so I am in no real hurry.






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