It seems that sugar in a gas tank has no effect whatsoever on a car engine. This myth was tested in Episode 15, "Scuba Diver, Car Capers" on the show Mythbusters (Discovery channel, Wed @9pm), along with other engine myths such as destroying an engine by adding bleach to the gas tank. http://dsc.discovery.com/fansites/mythbusters/episode/00to49/episode-07.html
You should probably buy a new fuel pump and take your fuel lines out and clean them out because it you try to keep it running your car after a while it will screw up your engine by sugar entering the combustion chamber and seize the engine which will mean you have to get a new engine or get a new car.
it will seize up
Engine will overheat and seize
Not really. Without oil, the engine will soon have metal rubbing on metal, which will cause parts to go hot and seize. And that means engine destruction and expensive repairs.
If an engine overheats the metal parts expand and the engine will seize up. A seized engine is usually unrepairable.
When sugar is placed in a car engine, it can clog up the engine. This may leave it not working properly and would have to be flushed or replaced.
There are many things to cause your engine to seize. The most common are :-Not enough OilIncorrect OilEngine overheats.Major engine component breaking like a con-rod.
A car with a leaking radiator can be driven, but when the coolant leaks out, the engine will overheat and when the engine gets hot enough, it will seize-up, the car will stop, and the engine will have suffered severe damage.
Your engine will seize and you'll have to buy a new car
The engine will overheat and eventually seize. This will pretty much destroy the engine if it is driven long enough.
Partially mean - shove a baking potato in the exhaust pipe. Really mean - sugar in the gas tank.
This is usually accomplished by either forgetting to refil the crankcase after an oil change, or by running the engine out of oil by not routinely checking the oil level, and adding the appropriate amount when it's running low. It is also possible to seize an engine by overheating it.