As The Telegraph’s motoring expert, I weigh in on your car dilemmas to save you money and make your driving life easier Having spent brief periods in the motor trade and renting out cars, Alex decided ...

Any time a vehicle with the DOHC Holden V6 is mentioned as having a starting problem or check-engine light illuminated, mechanics will often go straight to the engine’s timing chain to check its wear.

Do you know what a timing belt or a timing chain is and what they do? Could you find them on your vehicle's engine if you had to? If you answered no, don't sweat it. Both are buried behind a lot of ...