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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections. |
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#1 |
Administrator
Join Date: Jan 2008
Location: Birmingham, AL
Posts: 2,264
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I have been reading on fd3s.net about this:
Low speed is active at idle and under 3K rpms through the fuel pump resistor fed through the main relay. High speed runs through the fuel pump relay which the ecu controls; the fuel pump relay supplies battery voltage to the pump when it is closed. The ecu toggles this relay so the ecu actually controls the fuel pump speeds. Does the PowerFC have a setting that can control this? What other fuel pump relay are they referring to ? is it the relay Mounted on Left Inner Fender in the wide Relay Box
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Kevin ![]() Last edited by ZGN; 02-12-2011 at 05:26 PM. |
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#2 | |
The Judge
Join Date: Feb 2008
Posts: 196
Rep Power: 18 ![]() |
Quote:
I rewired mine to run exactly like stock buy installing a chassis ground near the pump, and some parallel wires. This increased the votage to the pump from 11.8 to 13.8. |
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#3 |
Don Mega
Join Date: Dec 2008
Location: Utopia
Posts: 1,688
Rep Power: 18 ![]() |
Re wire it mate,
I have a Sard 280lt DENSO pump with rewire and BOOST A PUMP in mine and its perfect.
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