The places to purchase an air fuel gauge are many and varied. The best place to start would be Amazon. If you are on a tight budget, a good option to try would be eBay.
You have to use a fuel pressure gauge. If you do not have it you can purchase it for about $40. You might want to call Autozone and ask if they have one to lease.
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.
The fuel gauge in a car is fairly accurate when determining when one will run out of gas. The fuel gauge is a little inaccurate when there is very little gas left in the car.
Yes, you can fit a fuel gauge to a vehicle that hasn't had one. No, you can't do it w/o accessing the fuel tank.
Try hitting the dashboard directly above the fuel gauge. A nice thump might release a gauge one a Volvo.
Underneath the steering wheel is a fusebox, the one for the fuel gauge is #27
There isn't one
I would recommend you purchase a fleet fuel card at your local gas station for the best results and satisfactory or you can purchase one online with your air miles points.
You might plan to refuel when your fuel gauge reads one-eighth of a tank of gasoline. Some people choose to refuel when the gauge reads one-quarter of a tank remaining.
If you can find one, yes.
One can purchase a rain gauge from websites such as Amazon. A dedicated agent from the official website will be more than happy to assist those in need of help.
The fuel gauge sensor is located in the fuel tank. The fuel gauge sensor and fuel pump are one assembly. To my knowledge they are sold as one unit and is fairly expensive. The fuel tank must be dropped to R&R the assembly.