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Old 05-31-2013, 09:51 PM
Prostar20599 Prostar20599 is offline
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1999 205 prostar LTR fuel psi

Help! I replaced fuel pump . Psi still at 24 psi at psi port. This is a non return system. Does anyone know the correct psi I should have?
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Old 06-01-2013, 06:07 AM
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CantRepeat CantRepeat is offline
 
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According to Indmar, the pressure on all 96 and up TBIs should be 30 psi normal and range from 27-33 between idle to WOT.
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Old 06-01-2013, 08:15 AM
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CruisinGA CruisinGA is offline
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LTR is multiport injection. Not sure if the fuel pressure numbers are the same as the Indmar TBI.
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Old 06-01-2013, 09:02 AM
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CantRepeat CantRepeat is offline
 
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Here is the fuel pressures for the Indmar motors from the Indmar website.

Guess I didn't look at the other line.

Port Fuel 3 BAR System. Pre 2004 Models 36-39 38-42 40-45 40
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File Type: pdf Fuel Pressure Chart.pdf (34.4 KB, 64 views)
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Old 06-01-2013, 10:59 AM
Prostar20599 Prostar20599 is offline
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I'm so lost it ain't even funny! I have checked voltage , checked to make sure lines are clear. What controls the psi?
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Old 06-01-2013, 11:09 AM
Prostar20599 Prostar20599 is offline
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I tryed to post a pic of boat and fuel psi reg. lookn at the regulator I don't see how I could control the psi . Got a new one from napa and it had no plug in bottom of it like the one off the boat. All the automotive guys say that's where the return line would hook and regulate the psi. But since mine has no return and is plugged off it does nothing. Still lost lol
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Old 06-01-2013, 01:32 PM
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I believe on that returnless system, the fuel pressure is actually regulated at the fuel pump in the tank.
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Old 06-02-2013, 12:18 PM
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Found this info as well.
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