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The larger diameter neck out of the fuel pump is the pressure output and goes to the line that goes to the fuel filter. The other one is the low pressure return line, which is fuel returning to the fuel tank from the fuel injector rail. This question is making wonder, because the quick connect fittings on the end of the lines, are different sizes, and can't be crossed up. I am sincerely hoping that the OEM lines are still present, and we are not trying to clamp bulk rubber lines onto the system. Because clamping rubber lines in place of the OEM lines, is asking for a serious explosion.

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โˆ™ 2006-03-11 04:48:32
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Q: Which way do fuel hoses go on the fuel pump?
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