So I did the Compression test and here are the results:
Cyl 1: 160 psi
Cyl 2: 115 psi
Cyl 3: 160 psi
Cyl 4: 158 psi
Cyl 5: 155 psi
Cyl 6: 160 psi

It was a dry test. The engine is an M272.964 and model yr is 09.

What does this mean?