Where is the fuel reset switch on a 2002 mercury sable?

There isn't a fuel reset switch on a 2002 Mercury Sable (or most modern cars, for that matter). Fuel systems are far too complex for a simple reset switch.

If you're experiencing fuel-related problems, such as the car not starting or running poorly, the issue is likely something more serious requiring professional diagnosis and repair. Possible causes could include a faulty fuel pump, clogged fuel filter, issues with the fuel injectors, or a problem within the car's computer system. You should take your Sable to a qualified mechanic for proper diagnosis and repair.