Fuel pump

What it does

Sends petrol from the tank to the engine at the right pressure.

Signs it needs replacing

• Car cranks but will not start
• Engine cuts out at speed
• Whining noise from the fuel tank

What to tell the shop

• Vehicle make, model and model year
• Engine size, and whether it is manual or automatic
• The number printed on the old part, or a photo of it
• Whether you want genuine, OEM or a local replacement