Hello, I'm interested in purchasing an 04 s60r but it's got something funky going on with it that I haven't came across with my 05 R. Guy is stating that the water pump failed on the vehicle so the head gasket was replaced along with a new head from a donor car. But the vehicle now won't start displaying the reduced engine performance and start prevented messages. Vehicle supposedly has fuel spark and compression but the numbers he gave me for the compression test seem to be a bit off just wanted to get some oppinions on wether or not the vehicle was timed properly or not. He has vida and says they're are no active codes besides the sum. Test compression test results were. 120, 135, 120, 150, 150. Is this what is preventing the vehicle from running or are we looking at some sort of failed module.