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What can a loose filler cap on your diesel fuel tank cause?

It can make the engine difficult to start

It can make the roads slippery for other road users
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It can improve your vehicle’s fuel consumption

It can increase the level of exhaust emissions

Diesel fuel can spill out if your filler cap isn’t secured properly. This is most likely to occur on bends, junctions and roundabouts, where it will make the road slippery, especially if it’s wet. At the end of a dry spell of weather, the road surfaces ma