I have replace my spark plugs , spark plug wires , ignition coils , fuel filter, and used fuel injector cleaner. and my car still idles rough. My car accelerates really slow and is getting HORRIBLE gas mileage. When it idles it sounds like its going to die. And It smell like gas sometimes when i start it and a mechanic told me it has low fuel pressure. The SES lights ISN'T on . Any ideas yall?

 

thts all i can say about replaceing parts is tht just cause u have replaced it within a few months doesnt rule it out of the picture....it can still go bad or break within a couple months...double check everything u have replaced...

check your catalayic converter and see if it's clog maybe...

and if you were told u have low fuel pressure then i would look more into tht

 

check to make sure your injectors are working properly.

It may also be a injector connection to the computer.

 

Check your O2 sesncors, the OBD should catch it but who knows. if it is a 3.4 check the green plug on the left rear of the intake plenum this tells the intake the fuel to air ratio. that plug could be loose.

 

Low fuel pressure could mean your regulator or pump needs replacing.

 

Check your fuel pump, clean out your catalytic converter... If that doesn't help... You may have a fried/dead cylinder or two.

 

is not my catalytic converter because I replace it last year and it came with a lifetime warranty. I have a feeling its my fuel pump

 

Today I was at the gas station and my car was idleling and all of a sudden it died. I tried to start up again and nothin. All my electrical stuff worked but it wouldn't crank. So i gave it a min. and it started up again . Any one have any thoughts?

 

i would definatley rule it as a sensor of some sort. Have you checked o2 sensor?

 

no but i will
Thanx