09-08-2023, 03:16 PM
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#2
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not playing cards
Join Date: Sep 2014
Drives: a 13 e8h frs
Location: vantucky, wa
Posts: 32,396
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The fuel pump isn't designed to run constantly. I don't remember specifics offhand but the control unit limits duty cycle to maintain pressure on the single-ended system. No return.
Can learn more via the service manuals. See my sig line.
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