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.
A sticky substance that helps preserve hearing by coating the ear canals, earwax typically possesses a distinctive, mild odor. Earwax that has an unusual or foul odor generally indicates a problem that could vary in severity from a mild buildup of wax to a potentially serious ruptured eardrum.Learn the facts about smelly earwax, including possible causes, accompanying symptoms and your doctor's most likely course of action.ever try to manually remove smelly earwax yourself in an attempt to determine the cause of your ear problems. Digging into an infected ear with pointed objects like cotton swabs or pen caps could worsen an ear infection or lead to a ruptured eardrum.