open all it doors and let air go into it if it still smell like that put what makes a house smells good in there if it still remain there use the two methods the same time, if it is still not going, check your car and make sure the is nothing dangerous going on there, I guess.
make be there is a gas leak
because you spilled gas in it
car smells of gas inside and out
If you have a motor other than the car such as a lawn mower in the trunk it smells. Also if you just got gas it smells.
Fuel pump
Likely an exhaust leak
may be pre-cat exhaust leak.
It smells terrible it smells like old gas from the car when people smoke their teeth get ruined
Varnish, or in other words it does not smell like gas, it smells almost burnt
you need to replace the o-rings on your fuel injectors. i had the same problem on my cavlier
my car smells like i have a petrol leak when i turn it on but have no leak underneath the car
Usually gas smels like rotten eggs when the gas is too rich with additivies.