LS14ME2

I have a question. I know the general operation on the fuel system, however I am curious if the fuel from the driver tank mixes at all with the pass side tank when both are full? As in, if you always filled the tank at 1/2, would the driver side just get older and older?

dr_gallup

It circulates continuously.

Jstan2014

Op, that’s a good question. I wondered about that myself as I always fill up the C6 at 1/2 tank unless we are on a road trip.

windyC6

Gosh I hope it would circulate continuously. The design is bad enough so you would at least hope that GM took circulation into account.

BigBlok502

The attached explains how the fuel system works.

LS14ME2

Thank you for the file BB502.. interesting system.