2002 pontiac sunfire replacing fuel pump

Question edited for clarity, add maker.
Question moved to model category.

When you replaced the fuel pump, did you disconnect the battery? If you did, did you reset the security system and engine immobilizer?

there is a venting problem in the fuel system normally associated with the EVAP canister and purge valve
have te fault codes read to check

have the fuel pressure and volume tested with a gage.this sounds and acts like a fuel pump problem.check the fuel filter as well and replace anyways.when it won`t start but cranks can you hear the fuel pump running.listen at the fuel filler neck with the gas cap off.if you can`t listen under the car at the fuel tank you should hear it running/if not hit the gas tank and if the car starts then the pump needs replacing.you should check to make sure you are getting spark at the spark plugs to eliminate an ignition problem but i think its fuel.

Most garages uses a pump. They insert a small hose where you put the gas in at the gas cap and feed it down to about the bottom of the tank, connect it to a pump and pump the gas into another container. You might try and locate a hand pump.

The fuelpump is located inside the gas tank, you will need to drop the tank to replace the pump, heres a picture of the pump and in goes in through the top of the tank, the fuelpump is called a fuelpump module because it comes complete with holder sending unit and all other parts as you will see in the picture,hope this helps, good luck.

drop ur gas tank it sucks

its inside the gas tank

the pump is in the tank must drop tank to change

yes you can first change the fuel filter and also have the fuel presure checked if still no luck have fuel line checked for blockage