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.
Causes Of Foul Menstruation Odor. 1  Trichomonal infection in the vagina is the most common cause for bad odor during menstruation. 2  Usually the odor is associated with abnormal discharge from the vagina.3  Vaginitis caused as a result of trichmonial infection is the main cause of menstruation odor.acteria flourish in alkaline pH. Infection in the vagina is more likely to occur during this period as a result of favorable environment. This causes foul smelling menstruation. If you forget the tampon inside your vagina for a long time during and after menstruation, it will emit a very bad odor.