I'm starting to wonder if I've got a slightly sticking brake. Some days on a flat surface you can put the truck in drive and it will slowly start moving. Other days same situation and you need to use the gas a bit to get it to start rolling. I can't see any other reason that it wouldn't start rolling.
scan gauge arrived today. I'll install it and fill the tanks up. I'll be running both full for a bit while testing to make sure the transfer mechanism that allows dual tanks is working. If it fails it's not uncommon for mileage to suck because it usually fails in a way that has it returning fuel from the engine to the wrong tank where it bubbles out the filler and onto the road or it floods the charcoal canister with the excess. I know it works fine if on the rear tank. Just need to test on the front with the rear empty.
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