Traditional gasoline car fault

1996 Ford Aerostar P0171 Code Repeated - Check Engine Light On After MAF and O2 Sensor Replacement

I own a 1996 Ford Aerostar with a 4.0L V6 engine. I've been experiencing recurring P0171 trouble code — 'System Too Lean Bank 1, Sensor 1' — even after replacing both O2 sensors...

1996 ford Areostar | P0171