My Volkswagen Golf made a whistling noise and now won't start - what could this be?

My Mk5 Volkswagen Golf, with hybrid stage two turbo, was making a whistling noise. It's now stopped and won't restart, plus lost all oil. The exhaust shows signs of oil in end pipes. What could this be?

What is the intermittent ticking I can hear after using my car?

I can hear an intermittent ticking after using my 2000 Daewoo Lanos. It carries on after locking the car and has gone on for at least 12 hours.

What's causing the noise coming from my engine when I accelerate?

My Audi Q3 140 TDI is four and a half years old, with a full five year Audi warranty. It has developed a low clatter, at about 2000rpm and noticeable particularly when the engine isn't up to full temperature,...

Vauxhall Meriva (2003 - 2009)

Roomy, easy-to-drive, five-seat mini MPV. Sliding rear seats fold into the floor. VXR is nearly as quick as a hot hatch.