This will mark two answers a.
Loose filler cap on diesel tank cause.
Make roads slippery for other road users c.
Always make sure your filler cap is sealed tightly as a loose or faulty fuel cap may often cause a vehicle s check engine light to come on.
Another symptom of an issue with the fuel cap is a fuel smell from the vehicle.
Remove the oil filler cap from the valve cover and look through the filler hole.
When a gas cap is broken or improperly sealed fuel vapors escape from the gas tank.
Or cause roads to be slippery for other motorists.
It can make the engine difficult to start b.
This is particularly dangerous in wet conditions although a huge amount of traction is also lost in drier conditions.
Or improve your vehicle s fuel economy.
This is most likely to occur on bends junctions and roundabouts where it will make the road slippery especially if it s wet.
Improve you vehicles fuel consumption d.
Increase exhaust emissions from your vehicle.
Driving test question about.
Diesel fuel can spill out if your filler cap isn t secured properly.
What can a loose filler cap on your diesel fuel tank cause.
You may need a flashlight to examine inside the valve cover or maybe remove the cover itself.
This will cause a decrease in your fuel economy.
If the gas cap is missing altogether you are at risk of catching your car o n fire each time you drive.
You have a loose filler cap on your diesel fuel tank.
A blown head gasket bad intake manifold gasket v8 engines a cracked block or a cracked cylinder head may cause coolant to mix with engine oil.
And possible answers include.
A gas cap that is not sealed correctly may cause an engine leak.
If when tightening the cap it does not eventually click or pops loose after it clicks then that is a sign that the cap may be damaged and need to be replaced.
What problems can a loose gas cap cause.
Increase the level of exhaust emmissions.
Or decrease fuel consumption of your vehicle.
Waste fuel and money b.
From uk driving theory testcars and small vehicles.
At the end of a dry spell of weather the road surfaces ma.
It can improve your vehicle s fuel consumption d.
A loose filler cap on your diesel fuel tank may.
A loose filler cap on a diesel fuel tank can cause the road to become slippery for other road users.
It can make the roads slippery for other road users c.
Inside the fuel tank there is a sending unit which tells the fuel gauge how much fuel is in the tank thereby ensuring that you know when your vehicle is low on fuel.
If the gas cap leaks or fails to provide a proper seal it can cause fuel vapors to escape from the fuel tank which may cause the vehicle to give off a fuel smell.
