The oil in the intake can be caused by one of two things typically. First,(and hopefuly not) the turbos may be failing. This is very rare so it's probably the second alternative- a blocked breather system. This is quite common on vehicles with a milage around 100 000km (62 000mi) or so. It is a litt...

Intermittent alarm activations on the V/S/C/XC and like modles are most commonly caused by faulty door latches. Corrosion in the micro switch inside the latch will cause intermittent contact dropouts, setting off the alarm. Sometimes it will also cause battery failure due to interior lights turning ...

You may want to try disconnecting the MAF (mass airflow sensor)... they are comonly problematic and without the proper test equipment hard to diagnose. If you unplug it and the car starts, that might just be your problem.