Bleach is one of the few substances that may ruin the engine when added to the gas tank. It causes the engine to stop running and rusts the fuel tank.Continue Reading
Although there are many substances that can damage parts of the engine when put in the fuel tank, most of them do not do any major damage to the engine as a whole. Sugar is commonly cited as an agent that ruins engines, but in reality it often does nothing. If it does have a negative effect, it is usually because it clogs the fuel filters or fuel injectors. In extreme cases, it may also require removal and thorough cleaning of the fuel tank.
If bleach is added directly to the oil, it may destroy the engine. Other substances, including sugar, may also cause serious damage if added to the oil. People who think their cars may have been sabotaged in this manner should not attempt to start the car and should instead contact a qualified mechanic with their concerns.
Water can also ruin engines. This usually occurs when the car is submerged in water due to a flood or accident. Most engine damage occurs because coolant, oil or other essential liquids are not kept full and changed regularly.Learn more about Car Parts & Maintenance
To clean a gas tank, set an approved gas container on the ground, assemble a siphon, insert one end of the hose into the gas tank and one in the gas container, pump the siphon handle, and withdraw the hose. This 10-minute procedure requires a gas container, a screwdriver and a manual siphon.Full Answer >
While a small amount of oil, diluted with a full tank of gasoline, does not harm the engine, it is not wise to add oil to a gas tank. Too much oil can do significant harm to the fuel system.Full Answer >
When condensation from water contaminates a gas tank, the most common symptoms are poor fuel economy, engine running rough, stalling or failing to start, and hydrostatic lock. Condensation inside a fuel tank or a leaky fuel filter can contaminate gas that has been stored too long.Full Answer >
Bleach is one of the worst things a person can put in a gas tank, according to Reference. This is because it can react with gas chemicals and cause acid to form in the tank. The acid then causes the tank to rust prematurely, as well as the fuel lines, and can cause the engine to stall.Full Answer >