If you smell fuel inside your engine compartment you need to find the source of the leak and fix it IMMEDIATELY. I think we have all personally seen or seen pictures of those cars with the engine burning on the side of the road. Yes, usually caused by a fuel leak close to the engine!!!
Problem & Solution
Common among these chassis:
In the related OnDemand video Kent will show you one of the key components on these fuel injection systems that leak fuel. Granted it is not much but definitely enough to cause an engine fire. It is called the EHA valve and it is located under the air filter housing.