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1999-2004 Saleen Mustang For the SN-95 New Edge platform. Be sure to specify year, model and equipment if asking for help.

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Old 05-19-2022
mamorteguy8 mamorteguy8 is offline
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Join Date: Apr 2021
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Default 2000 281sc losing fuel pressure over night ?

I installed a new fuel pump, and now if I let it sit overnight, it has no fuel pressure in the morning, there is no pressure when I push in the shraeder valve on the fuel rail, I've replaced the Fuel Pressure sensor, is there another fuel pressure check valve that is not holding pressure, or is it the fuel pump? Once I get it started after about 5 tries, it runs great, it's just not holding pressure for the start up. I would rather not take the tank back out if it's something else, any suggestion's will be helpful ??
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Old 05-19-2022
jcar302 jcar302 is offline
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It's probably a bad check valve on the pump.
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