Varnish, or in other words it does not smell like gas, it smells almost burnt
If a car begins to smell like rotten eggs and then starts acting like it has bad gas, it may have been filled with the wrong type of fuel. This smell is common when diesel fuel is burned.
bad
Because there is gas in it.
You have a gas leak.
There are several things that could be going on. The most common thing that would make your car smell like gas when the heater is on would be a bad heater core.
because your engine is going to break down or when you start the car if the whether is cold, it makes it smell like gas
probably not you have a gas line leak
yes nd it will also give of a oily smell with it
smell,color ,siphon into clear jar water will separate from gas.
because oil is refined into gas
It is possible that a car can smell like gas when the heater is turned on for a few reasons. One possible reason that this happens could be a leak in the line.
A bad coil pack would not smell like gasoline.