Engine Performance problem
2001 Ford Ranger 6 cyl Two Wheel Drive Automatic 96000 miles

I got a misfire on cyl #1 (code PO301). I'm getting a blue spark on the spark plug. So that tells me the plug, plug wire and coil pack are good. I changed the plug about 3 mths ago when I first got the code, and it looks like it's never been used. It's not brown or black or anything. It's completely dry also. So, now I'm thinking fuel problem, right? I got 12.8 ohms on the injector itself, which is the same as the #2 injector. Ok, so that tells me the electrical side of the injector is good. I decided to clear the code. It did run a little better but I can tell the engine is still mising. The code has not popped again yet, but the check gauge light did blink a few times with a full tank of gas. All other gauges were normal. What's my next step? Can someone send me in the right direction?