vy ss wont start

[nstrawbr]

Hey, my vy ss wont start. I turn the key and it cranks over but most of the time it wont start every now and then itl struggle and start up also the check engine light comes up. Any help anyone can give me would be greatly appreciated.
Cheers

[dannyn12]

first thing you should do is a code check

[nstrawbr]

oh ok no worries i am gettin an o2 sensor and the maf sensor replaced on monday. dont no if this could be the problem