If fuel pumps were not necessary, there would not have any on your car! If there is a problem with your fuel pumps, your car will not start, or it will start but it won't run for very long.
The 2000 GMC Savannah 1500 PU equipped with the 5.7L V8 had in-tank fuel pumps. Symptoms of a bad pump include excessive noise, loud priming when the ignition key is in the ON position, and sputtering starts (which is literally fuel starvation).
probible causes bad fuel pump, bad fuel filter, blown fuse, bad wiring, plugged fuel line, bad fuel pressure regulator, plugged fuel pump suction screen. most likely its just a bad fuel pump. those fuel pumps for carbs and fuel injection systems are cheap and go bad easily. auto zone sells fuel pumps for carbs for $20 and fuel injection pumps are $45
The emission of the black smoke from the exhaust is one of the symptoms pf a bad fuel pump in a 2002 Nissan Altima. Failure of the cranks to fire is another bad symptoms of a bad fuel pump.
fuel pumps whine when they are going bad
By limiting the amount of fuel being transferred to the engine, not only will the engine be starved of fuel and therefore lack power, eventually the engine will stop. ps Fuel pumps can fail totally without any notice or symptoms
Good till they go bad!
what are the symptoms of a bad fuel pump on a 2002 GMC Sonoma 4.3 liters?
Not until absolutely necessary, and all symptoms lead to the conclusion that it has gone bad. Most vehicles with tank mounted fuel filters also have tank mounted fuel pumps. It is a difficult and expensive proposition to replace either or both.
Noisy fuel pump, stalling, or engine will not start and you have no fuel pressure.
Fuel pump will not run.
There are many causes for a car not to start. One of the causes can be the fuel pump which pumps fuel into the carburetter to spray into the ignition chamber.A bad pump may not pump the fuel into the carburetter .
Symptoms of a Bad Fuel Pressure Regulator Check related link below