probably not you have a gas line leak
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.
It makes your car smell somewhat new, but be careful as too much will make it smell like a cab, unless of course you want to go for the cab smell.
A faulty oxygen sensor can make a car smell like gas. Oxygen and gasoline mixing wrong can cause excessive pollution. Replacing the oxygen sensor can correct this issue, and improve the gas mileage in the car.
Yes, that is possible.
it might have a dead fish in it
wired up wrong
Every Car Product has it's own smell. Overtime there is a possibility that the smell will remain on/in the car. But it will depend on the product and the strength of it's smell.
Something is wrong with the catalytic converter.
If it is not actually over heating, then if the smell is outside the car, look for coolant leaks around the head and the thermostat cover. Inside the car could be a leaking heater coil.
Car exhaust can smell like rotten eggs when the fuel has a lot of sulphur in it.
A car may smell like sweat due to gym clothes, or other workout clothes, being left in the car.
it all depends where your at. if your buddy and you are clan baking a cig in a car you will smell like smoke a little bit but not for to long