Thanks to the valuable info in this thread, I believe I have found/solved the intermittent/random and mysterious P0300 I was experiencing with my 2015 GTPP manual transmission. It is tuned with the SCT X4 tuner. 4 months ago I had the clutch replaced and ever since, I've had the P0300 misfire...
My 2015 GT PP also had this clunking noise from the front passenger side. Thanks to this thread, I found the problem right away. The passenger side strut top nut was loose. I could wiggle the strut with my fingers by grabbing onto the 10mm post. I tried tightening the 21mm nut with a deep...
Thanks for making this post Competition Orange. My 2015 GT PP manual with just over 42k miles on it started making the same thunk sound as in your video. The thunk would happen at the initial change in direction (forward or reverse) and would also do it when coming to a complete stop and then...