Even though both cura and tinkerine suite will show you the slicer paths after processing the model, I don’t always find I have enough detail.
If your not already try this website http://www.3dgeni.us/gCodeViewer/index.html
The color isn’t the best choice so you might not notice the sliders on the bottom and right hand side once you load a slice file. But look for them and try moving them. I helps to get to certain spots of the paths. Also when you switch to the GCode tab it will highlight the actual code being show of the 2d model at the time. Has saved me wasted timing because its faster to find bad areas here then at the end of a print.