If the engine does not start even on cranking for more than 10 seconds and there is a clicking sound, open the hood and remove the rubber tube leading to the fuel air inlet. Add couple of drops of fuel directly and try to start again, if it fails, then for sure the fuel pump is spoilt and needs to be replaced.
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.
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
fuel pumps whine when they are going bad
Good till they go bad!
it'll be a pump that pumps fuel. That usually identifies one.
Electric SUV's do not have fuel pumps. If you are interested in fuel pumps on cars with gas motors, Please see the following: www.onlyfuelpumps.com/oem-fuel-pumps.html
You can backyard mechanic test it by removing the fuel line from the carb and crank it over, if fuel pumps out the line,the pump would seem ok. The manner in which the fuel pumps is critical, it must pump with some pressure not just ooz out.Be careful where the fuel spills also to keep safe.
Swap the fuel pump relay with another like relay in the fuse/relay center. If the problem with the fuel pump goes away, the relay was bad. If not, knowing GM fuel pumps, the fuel pump is the problem.
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 .
Disconnect the line from the fuel rail. Stick the end in a jar and crank the engine. If it pumps gas out, the pump is working. Although you may have a problem with pressure. You will need to check the pressure of the fuel output.
First make sure the fuse to the fuel pump is good then pull the fuel supply line to the carb and turn the key on and see if fuel pumps out (note: make sure you have a bucket the catch the fuel.) If fuel pumps out, the fuel pump is fine, if not than it may be bad.
Well its very easy. when you turn ur ignition switch right before starting. You should hear a humming sound in the rear of the Blazer. If you don't. Then its proboly a bad fuel pump. Just so you know the fuel pumps go between 100,000 and up.