Fuel Return Line

SmokeShow

Well-known member
Nov 30, 2006
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Lawrenceburg, KY
What consequences are there for restricting the return line flow or issues with a plugged return line?

Got a friend with a truck that stutters at times and someone suggested to him that there may be a fuel restriction in the return line. I don't understand that logic but then again, I don't know all the ins-and-outs of these trucks so who knows. He visually checked things and says he found a line that looks a bit kinked (soft line). that's why I need to know what size the main return line is going back to see if that's it. Should he decide to replace said line, and if it is in fact a fuel return line, is there any benefit to increasing or decreasing the line size? Just trying to think ahead...
 
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