1997 Ford Ranger Splash  105,527 miles, automatic,  codes P0174, P0171, P1121

Hi Scotty, my 97 Ford Ranger Splash starts up and runs fine on the road, no leaks either. But the main problem is the engine light stays on and sometimes when I backup into my driveway the engine dies and I need to restart, and yes it does startup easily with no idling problems. Also,  one time I made an abrupt stop at the stop light and the engine died and I couldn't get back into park to startup for about 5 mins after trying to turn the steering wheel to get back into gear.

The only other minor problem is that when I go to the gas station, the gas pump stops unless I angle the gas nozzle up and hold it the whole time I gas up.

I checked the mass airflow sensor, air filter, replaced vapor canister purge solenoid, charcoal canister, pcv valve, and idle air control valve but the codes still show up.

Will a new gas fuel tank pressure sensor fix this? Could a faulty inertia switch cause this? I'm just finding out about those as possible causes. Or the cam shaft position sensor? I just saw your cam shaft video.

PLEASE HELP!!!