This will cause a severe jerk or shock in the operation of the engine (the engine may even backfire through the air intake system, producing a loud pop). Lean Misfire. The lean misfire is another common reason for an engine missâthis is due to an imbalanced air/fuel ratio (too much air/too little fuel).
Ear Infections. An infection of the outer and middle ear (otitis externa and media) is the most common cause of a smelly ear discharge (otorrhea). A purulent discharge may appear white to pale yellow initially. Initially the discharge may be odorless but can progress into a foul smelling odor.n offensive smelling odor from the ear is often assumed to be a sign of infection but there are a few other non-infectious causes that also need to be considered. The odor may be associated with an ear discharge, ear wax or something even more serious. Causes of a Smelly Ear Odor. Hygiene.
The disease is named for the presence of sweet-smelling urine, with an odor similar to that of maple syrup, when the person goes into metabolic crisis. The smell is also present and sometimes stronger in the ear wax of an affected individual at these times.