Bad gauge, stuck sending unit in tank, grounded signal wire
To reset the fuel gauge on a 2005 Audi A4, first, ensure the ignition is turned off. Then, press and hold the trip odometer reset button while turning the ignition to the "ON" position without starting the engine. Continue holding the button until the gauge resets. After releasing the button, turn off the ignition and start the engine to check if the fuel gauge has reset properly.
To reset the fuel gauge on a 2005 BMW X5, first ensure that the vehicle is turned off. Then, turn the ignition to the "On" position without starting the engine. Press the gas pedal three times within five seconds, and the fuel gauge should reset. If the gauge still does not function properly, it may indicate a need for professional diagnosis.
To reset the fuel gauge on a 1998 Oldsmobile Cutlass, first, ensure that the ignition is turned off. Then, disconnect the negative battery cable and wait for about 10-15 minutes before reconnecting it. This may reset the fuel gauge by clearing any faults in the system. If the gauge still does not function properly after this, it may require further diagnosis or repair.
When the ignition is first turned on you should hear the pump start up. If you do then the pump is getting power. There is a port on the fuel rail where you can put a gauge to see if the pump is putting out pressure.
To reset the fuel gauge on a Mitsubishi Lancer, first, ensure the ignition is off. Then, press and hold the odometer reset button while turning the ignition to the "ON" position (without starting the engine). Continue holding the button until the fuel gauge needle moves and resets. Release the button, turn off the ignition, and then turn it back on to check if the gauge has reset correctly.
Low battery and when attempting to start car ran battery further down. Date and time went to default settings and fuel gauge registered empty. Charged battery. Fuel gauge still showing nothing. Picked up answer from Audiworld post. Removed fuse 15 (instrument cluster) & 28 (fuel pump), turned on ignition or to start the car - might not start, but mine did), put fuses back in. Fuel gauge now correct.
The fuel sending unit is sticking, or the wiring to the gauge is loose. These are the two most common causes of an erratic gauge.
The most likely cause is the continuous supply of fuel to the cylinders owing to the supply pump, which is electrical, not switching off.
Most vehicles have one fuse that protects all the gauges so if the fuel gauge is the only one not working, the fuse is probably okay. Most causes for a inop fuel gauge is a faulty fuel gauge sending unit in the fuel tank.
a bad ground
Yes. The fuel gauge in most vehicles will settle at 'empty' with the ignition off.
Check ignition switch