Vehicle repairs and maintenance tasks don't always have to be done in the shop. You can easily do these in your own garage.
A car smelling like burning oil is usually caused by oil leaking onto hot engine parts (like the exhaust manifold) or ...
To clean, simply mist the engine bay with your spray, let it sit for a few minutes, then rinse. If your engine bay is especially dirty, you can agitate the grime with a rag, or you can even use a ...