Originally posted by ThunderTunes ya it may be ur fuel pump, fuel pump regulator, fuse, fuel filter, or relay man theres lots of things it could be cause once my dad had a car like the one in my sig but not supped like mine and his friend said man its ur fuel pump so god dam i had to change it for him and that wasn't the problem because it still wouldn't start so he checked all the fuses and it was a fuse that was gone so all that work makin a a in tank fuel pump work that was from a newer car and all it was was a DAM FUSE dam i hate EFI and shit like it to much wire sh*t i wished it was like a car stereo they r much easier so check everything