Dreadful P0141 Code 2002 Mitsubishi Lancer

Hi there, this is the dreadful P0141 code I been dealing with on this car for the past month. I clean my EGR, clean the air lines and even ended up replacing the EGR and one of the solenoid that the air hose connects into. I mean granted they needed cleaning and one of the hose was actually restricting air flow by being blocked up but did nothing for the P0141 code. Upon buying a brand new Rear O2 sensor after already having bought a new one, I thought that would fix it. Long and behold, it did not. My brother and I got to talking and he said maybe its because I didn&buy OEM and thats why my code kept coming up since there are some cars out there really sensitive to certain aftermarket parts. I then decided to get a Denso O2 sensor (which should be the OEM manufacture for Mitsubishi) and still nothing happen. There was a recall on the PCM computer getting reprogram according to Mitsubishi for this car model, Which I took care of and they reprogram it and still to no avail. My check engine light remain on and it finally decided to check my wires and research how to wires should be connected. All to my research, no video or clear written parts were out there on the web and so I decided to post this video to help others out there. I check for continuity and voltage on my multimeter with the wires and long and behold, found out that the wires for the O2 sensor were wire up wrong, or the pins were in the wrong port and upon switching them around. I was finally able to get my...