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Voltage at fuel pump question??

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  • Voltage at fuel pump question??

    Just wondering.. if any of you have the time can you see what your voltage reading is at your fuel pump when cranking with no clutch, and cranking with clutch, and also key on - engine off?? please!
    -93' Festiva L (B6T swap in progress)
    -92' XR2 Capri (Parts car)

  • #2
    should be battery voltage minus 0.2-4 VDC cranking. if you're not seeing that, then you have an issue...
    Trees aren't kind to me...

    currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
    94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.

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    • #3
      we were seeing 11.6 when cranking without clutch but with clutch it drops to 9.4 ~ish. so where would the problem lie? battery? or possibly a faulty vaf?
      -93' Festiva L (B6T swap in progress)
      -92' XR2 Capri (Parts car)

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