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1994 Chevy S-10 fuel pump pressure

Tiny
MJVELAS1
  • MEMBER
  • 1994 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
What is the fuel pump pressure
Monday, November 8th, 2010 AT 1:18 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
My info shows 55--61 psi.
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Monday, November 8th, 2010 AT 1:27 PM
Tiny
MJVELAS1
  • MEMBER
  • 2 POSTS
Does this 1994 chevy s-10 v-6, auto tranny have a fuel pump relay switch and if so where is located
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Monday, November 8th, 2010 AT 2:09 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
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

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Monday, November 8th, 2010 AT 2:40 PM

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