1994 Chevy S-10 fuel pump pressure

1994 CHEVROLET S-10
80,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MJVELAS1
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what is the fuel pump pressure
Nov 8, 2010 at 1:18 PM
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JDL
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My info shows 55--61 psi.
Nov 8, 2010 at 1:27 PM
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MJVELAS1
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does this 1994 chevy s-10 v-6 ,auto tranny have a fuel pump relay switch and if so where is located
Nov 8, 2010 at 2:09 PM
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JDL
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There is an oil pressure switch in the fuel pump circuit. It is a redundant power supply to the pump, wired in parallel with the fuel pump relay, one should not effect the other. Voltage to the load side of relay and o/p switch comes from the same ecm B fuse, you need to be aware of that.


https://www.2carpros.com/forum/automotive_pictures/170934_94_s10_fuel_system_1.jpg

Nov 8, 2010 at 2:40 PM