code p 0171 refers to system too lean bank 1== causes --intake /exhaust leak---AIR system---MAF/VAF sensor ---fuel pressure/pump--- injectors--- Heated oxygen sensor
by changing the O sensor (oxygen sensor ) you changed the wrong one and so there would be no change to the read out there
code p 2173 refers to throttle actuator control (TAC) system -high air flow detected ===causes --intake system---throttle body
fix the causes and you stand a chance of fixing the problem
SOURCE: How do you disable the horn when locking a 2014 Jeep Compass please?
Horns are disabled by removing the wires to them.
When it wouldn't start,did it make any sound when you turned the key? Do you have any other details? Do your headlights work?
Also I am including a link that may help Automotive Electrical Repair Information Electrical Charging Starting...
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