2001 Kia Spectra front brakes

Which computer? What problem are you trying to solve?

Sorry about that. Right answer; wrong Kia.

Did the low brake pedal start after the front pads were replaced, or did you replace the pads thinking that would solve a low pedal? What specs are you referring to for the master cylinder? Did you do anything that would allow air into the system?

Which brake is bled first depends on who you're talking with. Some people say the right rear is first so the largest percentage of air is removed by bleeding that one line. Some people do the left front first to get one line fully-bled as quickly as possible so pressure is easier to build to bleed the other brakes. I have a system for choosing which one to bleed first. It's the wheel I'm standing closest to.

Also, I only gravity-bleed. I never use a helper or do pedal-bleeding. If you resort to pedal-bleeding, you must never push the pedal more than half way to the floor. Doing so runs the pistons over the crud and corrosion that build up in the lower halves of the bores where they don't normally travel. That can tear the rubber lip seals, resulting in a low or a slowly-sinking brake pedal.

Once new brake pads are installed, the pedal has to be pumped to run the pistons out of the calipers. That's another opportunity to push the brake pedal too far.