Varnished gas can be removed from a car's fuel line by using a fuel system cleaning additive. Pour the additive into the gas tank in accordance with the additive's directions and top off with new fuel. Drive the vehicle and accelerate using full throttle under standard driving conditions. If there is no improvement with the vehicle, it should be taken to a mechanic.Continue Reading
Inspect the condition of the fuel lines and tank. Cracks in the line will allow water and condensation to enter the fuel line. Check the fuel tank for rust or cracks. If you find any cracks or rust, it is best to replace rather than clean the fuel tank and lines.
It is recommended that you use a fuel system cleaning additive to clean the lines. Follow the directions on the additive. Typically, the additive is poured into the fuel tank and then topped off with new gas.
Test drive the vehicle to determine if the fuel additive has made any improvement. Drive the vehicle on streets and freeways that enable you to accelerate using full throttle and standard driving conditions. If you still experience problems with the vehicle, take it to a mechanic.
Putting sugar in a gas tank may clog up a car's fuel filter, which could make changing the filter more frequently necessary, but it's unlikely to enter a car's fuel line and cause any serious problems. There are no particular chemical properties of sugar that make it react negatively with gasoline, and any problems caused by pouring sugar in a gas tank come merely from its granular qualities.Full Answer >
CarsDirect identifies three of the most common problems that cause a car to switch off while a person is driving: broken or worn vacuum hoses, faults in the fuel intake system or an electrical wiring problem. Any one of these issues may cause a car to shut off randomly, but by following some basic troubleshooting steps, drivers might be able to pinpoint the source of the problem.Full Answer >
There are several different problems that might cause a car to stop running or stall while it is being driven; however, according to CarsDirect, the three most likely culprits are issues with the electrical system, fuel system or vacuum system. A variety of issues anywhere along the line could cause your car to stall out while idling, or even in the middle of being driven.Full Answer >
The presence of water in a vehicle's fuel system can present several problems including the alteration of fuel to air ratio that will reduce engine power that may cause the engine to stall. If large amounts of water enters a vehicle's fuel system, it can lead to prolonged cranking, stalling and a low engine RPM, or revolutions per minute.Full Answer >