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The Terminator
How-To
Return style wiring HOW TO allowing OE type fuel pump actuation
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<blockquote data-quote="MalcolmV8" data-source="post: 11445117" data-attributes="member: 8854"><p>That's not true. Return pumps have a check valve. When I turn my key to the on position my base pressure is 39 PSI. When I turn the key off it only drops to 30 PSI and holds that. It will slowly bleed out over hours.</p><p></p><p></p><p></p><p>Nope, even factory return fuel systems work the same way from the factory. Turn the key on and they prime and shut off. The check valve in the pump will hold pressure against the fuel rail pressure regulator for a while till you start the car.</p></blockquote><p></p>
[QUOTE="MalcolmV8, post: 11445117, member: 8854"] That's not true. Return pumps have a check valve. When I turn my key to the on position my base pressure is 39 PSI. When I turn the key off it only drops to 30 PSI and holds that. It will slowly bleed out over hours. Nope, even factory return fuel systems work the same way from the factory. Turn the key on and they prime and shut off. The check valve in the pump will hold pressure against the fuel rail pressure regulator for a while till you start the car. [/QUOTE]
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How-To
Return style wiring HOW TO allowing OE type fuel pump actuation
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