Turns out I ordered and installed the wrong side caliper (bleed nipple facing down), I got the correct caliper and bled the brakes and she is back in action. Thanks again.

I ordered a new sensor for less than $100. It was fun removing the old one, heating it up with a propane torch did the trick. After installing the new sensor I disconnected the battery for 10 minutes to clear the code and so far so the engine light has remained off.

Thanks Vova585, it was the stabilizer link. The bolts were a pain to remove but not impossible, the clunking noise is no more.

A couple of weeks ago I replaced the spark plugs, I replaced the two O rings on each injector, I cleaned the MAF and I changed the oil. Unfortunately it still threw the same P0172 code and I had to put it on pause due travel plans. I ordered a replacement Purge Valve before I left and I just install...