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.
Earwax is a normal product of our ears. It is a mixture of cerumen (wax), oil, sweat, and dead skin cells that is produced in the outer 1/3 of the ear canal. Although many consider ear wax to be a nuisance, it serves two important purposes: it lubricates the ear canal and acts as an antibacterial agent.hat can go wrong? 1  Wax can occlude the ear canal, causing hearing impairment, and a feeling of fullness. 2  Wax can trap bacteria in the ear, causing an infection. 3  It can obscure vision when the doctor looks in your ears, possibly hiding a dangerous process (such as cholesteatoma â a erosive cyst of the eardrum). 4  Wax can cause hearing aids to ...