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That idea ran through my mind too, I tried blowing air through the lines and selector back to the tank and it’s running now, drove to work today and seems to be fine other than a stubble around 1000rpm but doesn’t die(could be accelerator pump adjustment though) might cut the selector right out of the system even to eliminate potential later problems, and might try to blow out that vent on the tank as well while I’m at it
haven’t quite fixed the problem yet but just found that this a what my gas is looking like so think it’s safe to say this has to be at least part of the problem.
It fired right up today after draining the tank and ran great. I’ve heard some stories of water in fuel but never seen it to this extent, was just shocked mainly because of how much water there was. Kinda got me thinking for a sec if it was just a natural fluke or if it ended up there on purpose to get me to come back to the shop. But would be very shocking as the mechanic I went to has been very helpful and didn’t seem like that kinda guy but you never know anymore. Glad to hear this is somewhat common though as I would’ve been very shocked otherwise.
B S. Water gets there naturally if someone has disconnected the evap. and allows tank open to atmosphere. Fuel and water do not mix,you cannot add water to fuel to boost your profits. What's most likely going on the truck has sat for an extended period expansion and contraction of the fuel and air in the fuel tank has brought in moisture laden air, then through heat and cool the water condenses out,Repeat 9 million times and you end up with water in your fuel.It is worse with an empty tank than a full tank. Also with the tank venting to atmosphere,the lightest part of your fuel evaporates off first,without being trapped, leaving more of the water less of the fuel. Place a cool beverage on the counter on a warm day,watch the water droplets form on the side of the glass,that happens in your tank. When the truck sits still the water separates to the bottom,so unless you are picking up fuel from the bottom you will be picking up fuel.Start sloshing fuel,you start picking up the mix when the water level gets high enough you no longer pick up burnable fuel.Cars used to vent to atmosphere and pull fuel directly from the bottom of the tank,just like a motorcycle or lawn mower tank. It used to be super common that people had to put heat in their fuel in the winter,or be stuck with a frozen fuel line. Not common any more with the sealed gas tanks Anyone who thinks gas stations can add water to their fuel. Go get a glass jar from your kitchen pour in 4.5 inches of fuel and .5 inches of water. Shake it up,walk away come back in 12 hours the water will all be sitting at the bottom.
I did put 91 in the two times I filled up before this problem so good chance I got the bottom of the tank and was ****** gas. Hopefully that’s all it was and not someone messing with me lol
