My 95 Impreza is been a pain from a cold start the car runs great for about 15-20 min An then starts to spit An sputter an eventuality bogs down An dies like it’s running out of fuel , I’ve replaced plugs,wires,coil, mass air, TPS, crank sensor, cam sensor , fuel filter , tested fuel pressure, An it’s not throwing any check engine lights however when I pull up the test wires it gives a code for mass air flow An tps .... any ideas? Need help!