Yes antifreeze is sweet smelling, burning oil stinks and gasoline is, well gassy.
Your vehicle has an oil leak somewhere..............
Internal engine antifreeze leak.
The engine may backfire excessively. You may also smell a strong exhaust odor in the riding position. In worst cases, it can cause the engine to run lean.
It could be a small enough leak that it evaporates before dripping.
No. But some gasses have odors. Natural gas doesn't have an odor but sulfur is added so it can be smelled. Otherwise a leak could go undetected and cause the death of someone living in a house.
It can stink if it is not flushed or it is dirty. In some cases, there could be a leak at the base, and the standing water around the toilet has an odor.
It means that, your air conditioner isn't gas powered, so oftentimes people are concerned about where this type of smell could be coming from. However, there are fluids in the engine and other parts of your air conditioner which can leak out, causing this exhaust fume odor.
Any fuel spill,storage or leak can cause fuel odor inside the car.
A gas leak.
heater core has a pinhole leak! Only shows when under pressure .remove and replace not good to breath antifreeze vapers!
side affects of breathing antifreeze odor from a cng combustible engine
R-410A does not have a noticeable odor, as it is a blend of two hydrofluorocarbon refrigerants that are both colorless and odorless. If a leak were to occur, it is recommended to use proper leak detection equipment to identify the presence of R-410A in the air.