Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
P0441 is just an evaporative fault and likely unrelated to your issues. P0301 as you know is a misfire on cylinder one;
If you swap the spark plug from cylinder 1 with cylinder 3 does the misfire move?
Have you tried a different plug wire for cylinder 1?
Do you have access to a compression tester?