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So yesterday it was somewhere in the park of -6 out and the old girl gelled up. I forced her to the gas station where she died. I had it towed home and put in the heated garage and cranked on her for a long time with only a few sputters. Is there any tricks to bring her back to life? I have put some 911 in both tank that have been topped off and a little in the fuel bowl. Still no start.
For the fuel to become pumpable again, it needs to be brought above the gel point temperature to the Ungel point, which is typically near its pour point. However, most of the waxes will still remain in solid form and the fuel has to be warmed up further until its Remix temperature in order to completely remelt and redissolve the waxes.
Anti-gel additives are therefore commonly added to diesel or biodiesels where cold temperature is expected. They act to reduce the formation of wax crystals in the fuel, thereby lowering the pour point and the gel point of the fuel. Anti-gel additives may not necessarily affect the cloud point.
A lot of times cold weather will cause IDID's, asphaltines, and other things beyond wax to come out of solution that get caught up in the filter and don't mix back in as easy. That is why we recommend not only using an anti-gel, but also a detergent that will keep the other impurities in solution in the cold weather (you generally only need the detergent for a single tank). Make sure you put a clean filter in to try and start it up again.