Merc Vito 108 CDI starting problems

[chrisdlos]

I ve rebuilt engine, set and adjusted valve timing according to mark on pulley on front of the engine.
Now in position to start the engine, but engine when i put in key some times tries to turn over and some times nothing.
Have good battery, good earth and power to starter motor.
Give power to solinoed terminal, engine will turn over.
Have the following Fault Codes:
1) P1237
2) P1630-32
3) 2867
4) 696E

Can anybody HELP!