Patients can be assured that an ABPN board-certified psychiatrist has specialized skills and knowledge to diagnose and treat problems ranging from emergencies to the long-term medical management of psychiatric disorders. The conditions psychiatrists treat include disorders such as: Depressive disorders.
Answer   A backfire is caused by unburned fuel and air getting into a hot exhaust system where it ignites. Plugs have nothing to do with it. Some cars, when they ar â¦ e turned off, pass enough fuel and air, that isn't being burned in the now-turned-off cylinders to cause a backfire.
Backfiring is usually caused by a spark plug sparking when it isn't its turn and the exhaust valve is open. If your air/fuel mixture is too rich, and you have unburned fue â¦ l in the exhaust system; cross firing from one spark plug wire to another can occur.