You don't. The fuel system draws from both tanks concurrently. If you wanted it to draw from just one tank, you'd have to disconnect the fuel lines from the tank you didn't want to draw from and cap the lines off.
If the fuel cap is jammed when a Volkswagen Polo is open the lid can be wedge with a flathead screwdriver. Depending on whether the cap will come off or not, the unit may need to be broken off and replaced.
if you filled up withfuel and the car was running this light comes on if not check and see if fuel cap is tight it will reset itself the fuel cap must hold a vaccume in the fuel tank
there should be a fitting on the fuel rail going into the injectors on the top of the motor it should have a cap over the valve and say fuel line just take the cap off and press the valve in like you are letting the air out of a tire
how do you turn off or reset the check fuel cap light on a 1997 Mazda b 2300 2.3 4 cylinder engine.
fuel cut off is under bonnet on the passinger side behinf the suspension strut and it has a red cap on it.
motor off 35 to 45 psi... motor on 30 psi...
WIth a special tool.
Most Aeroplanes can take off with full fuel tanks, however it is common practice for planes to take off with enough fuel to get them safely to the destination, excess fuel adds weight and it's uneconomic to carry it.
You will first need to open the fuel flap on the Skoda Superb by pressing on the left side of the flap. Once the flap is open take off the fuel cap by unscrewing it counterclockwise wise.
Any vapor leak from the fuel system can cause a "gas cap" light.
the fuel cap has a tiny hole ,to allow air into tank to replace fuel as it is used.if this hole is clogged, it will cause the tank to create a vaccuum and not allow fuel to move out of tank.either find the small hole and try to unplug it or buy a new fuel cap