Yep I wish it would do it more so I could find the line lol but usually when I have the camper going on vacation but it come from the motor and drips down the back of the engine
Get a hold of a good scan tool & max out rail pressure at idle. Or unplug fuel pressure regulator, think that would max it out as well but would be a pain to get to
Here is an overview of the fuel lines in the valley, find the part number in the link and paste it into ebay, there are a number GM dealers that sell the fuel lines at very competitive prices....
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