hey can anyone help me with trouble codes for a 99 cadillac catera. im getting a lean bank 01 and a lean bank 02. ive changed the mass air flow sensor ive changed the front two oxygen sensors ive changed the fuel filter and i have 44 lbs fuel pressure and i still have the problem

Try running some fuel injector cleaner through the system, see if that does anything.

hye man thanks ill give it a try. ive been really frustrated with this thing ill try anything once. appreciate it.