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Regina with weak fuel pressure... Pump or regulator, or both? 700

posted by  Uncle Olaf on  Tue Feb 17 11:08 CST 2009
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last visit: Mon Oct 10 19:04 CST 2011
[RELATED]

Hey All,


I have a '92 740 w/Regina with 126k, and the fuel pressure is quite weak. It only measures 15 psi at idle, and immediately after shutdown there is hardly any pressure at all. I suspect the pump, since the pressure is so weak and have doubts about the pressure regulator, since it doesn't seem to hold any pressure at all. I measured the pressure at the schrader test port with tire gauge (low tech, but it works). The pump has never been replaced as far as I know. Also, how much current draw should I look for with a ammeter at the fusebox? I remember its been posted, but I haven't seen it yet.



Thanks, Jon 'Uncle Olaf'






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