Check engine light comes on.
Loose filler cap on diesel fuel tank cause.
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.
Waste fuel and money b.
If you are satisfied that the gas cap is not damaged fully install it into the filler tube.
The gas cap makes a reliable seal that stops dirt dust and debris from getting into the gas tank.
This will mark two answers a.
Whilst fuel consumption may increase the level of exhaust emissions will not be affected by a loose filler cap.
Driving test question about.
Diesel fuel can spill out if your filler cap isn t secured properly.
This filler tube is usually sealed with a fuel cap.
A fuel smell can also be caused by various other issues so a proper diagnosis is recommended if you are unsure.
This is most likely to occur on bends junctions and roundabouts where it will make the road slippery especially if it s wet.
If so a simple gas cap replacement may be able to solve your problem.
Make roads slippery for other road users c.
Increase the level of exhaust emmissions.
At the end of a dry spell of weather the road surfaces may have a high level of diesel spillage that hasn t been washed away by rain.
This may result in a gasoline odor from the vehicle as a result of the escaping vapors.
Diesel fuel can spill out if your filler cap isn t secured properly.
The gas cap otherwise known as the fuel filler cap is an important but simple part found on most vehicles on the road.
A loose filler cap on a diesel fuel tank can cause the road to become slippery for other road users.
This is most likely to occur on bends junctions and roundabouts where it will make the road slippery especially if it s wet.
If the gas cap seal becomes damaged or worn it may cause fuel vapors from the gas tank to leak from the filler neck.
Increase exhaust emissions from your vehicle.
Or improve your vehicle s fuel economy.
Or cause roads to be slippery for other motorists.
From uk driving theory testcars and small vehicles.
At the end of a dry spell of weather the road surfaces ma.
The fuel tank is a reservoir designed to safely store fuel.
A loose filler cap on your diesel fuel tank may.
You have a loose filler cap on your diesel fuel tank.
An illuminated check engine light is another symptom of a potential issue with the vehicle s gas cap.
It is a good idea to inspect the seal that is between the gas cap and the filler tube for any tears or cracking that could cause a vapor leak.
Then tighten the gas cap with your hand.
Another common symptom of an issue.
While filling the fuel tank fuel travels through a filler tube into the tank.
It can make the roads slippery for other road users.
Or decrease fuel consumption of your vehicle.
Check engine light comes on.
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.
