Okay so fuel pump is good, spark plugs good, fuses good, pressure in fuel lines good, battery goo.... the only thing i saw that looked bad was the o2 sensor, could this be the problem? I haven't check the cam position sensor but that's next on the list, how would you know if that is bad?

Thanks! I'll try all it today. So how do i put a TBSP of oil in each cylinder?

The starter turn over and it sounds like it will start and then it's like the engine will not run. I can here the fuel pump, which from what i've read it sounds good. Is it possible this could be the fuel pump relay fuse? Spark plugs are good & air filter is good i got it check out before i left...

I've let my volvo sit for the past 5 month. My parents have been starting it once a weeek and now it won't turn over just a week before i got home. Battery is good. I took the cap off the tank to try and release any pressure but still wont start. Also it's been up in Oregon in the cold. Any suggesti...