Well i think it could be my fuel pump the car starts only sometimes i had the fuel pump replaced twice an i keep having the same problem i was just a little curious about the size of my engine i dont know if it is a 3.4 or 2.2 my fuel pump was for a 2.2 could i have got the wrong size fuel pump for my type of engine please help thanks

if your car starts after putting gas in throttle, means that you have no sufficient fuel feeding and one cause is the injection system not providing the need fuel, pressure regulator the second cause,or the fuel filter is blogged.

YOU HAVE TO HAVE COMPRESSION FUEL AND SPARK TO RUN CHECK OTHER SYSTEMS INCLUDING INTAKE AND 10 AMP FUSE FOR COMPUTER GOOD LUCK

Fuel filter is the best place to start but sometimes the fuel pump can cut out intermittently as well and it is also possible that your injectors are gummed up. Perhaps a higher grade of fuel might make a difference or fuel injector cleaner once a month when you fill your tank might help if it is an injector issue.
I am not certain how to tell if the fuel pump is intermittently cutting out other than eliminating other reasonable possibilities. I had that happen to me and like you I changed the fuel filter and ran injector cleaner through my tank and still had the problem. I dropped the tank and replaced the pump and it ran great afterward.

Have you relapced the fuel pump and filter? Take it to a garage and have the fuel pump pressure checked. It very common for fuel pumps or a clog in the line to cause this.

You need to have a fuel pressure gauge to check it when it wont run. Take your fuel pump relay and switch it for the horn relay. Is the ground good for the fuel pump, the wire bolts on the frame. these had problems with the connector at the fuel tank, make sure they are in good conditon and dont look like they have been hot or melted.

Sounds like the fuel pressure regulator is allowing the fuel pressure to bleed down. While sitting (key off) it should hold about 30 psi of fuel pressure to keep the system primed. When it bleeds down it causes an extended start, you sometimes have to cycle the key a couple of time before it will start. If this is the case then replace fuel pressure regulator. FYI pumping the accelerator on a fuel injected vehicle does not prime the system.

WHEN YOU REPLACED THE FP DID YOU OR THE DEALIERSHIP REPLACE THE FUEL FILTER MAYBE YOUR PROBLEM ....

Did you replace ignition leads? What about air intake leaks. Air = fuel. No air = no fuel = no start.

I am no expert, but I just had a similar problem. The car would shake and buck when accelerating. It finally just died and would not start. After sitting for some time, the car would start and run a while, then do the same thing. I thought fuel pump. The dealer diagnosed distributor. After replacing, the car is running perfect. Something to think about. Good luck.

Hello, yes the check valve is in the fuel pump assembly. The check valve is leaking and the pump will burn out soon. Unfortunately the aftermarket fuel pumps can be very unreliable. A good portion of problems we see on this site are from people who replace the pump sometimes twice and it still doesn't work.