(See How Catalytic Converters Work for more details.). Controlling the engine is the most processor-intensive job on your car, and the engine control unit (ECU) is the most powerful computer on most cars.
â¢ Accidental poisoning is one of the leading causes of GI ulcer disease. This can be from plants (for example, toxic mushrooms, castor beans, or sago palm), pesticide or rodenticide toxicity, chemical poisoning (often with ethylene glycol or phenol), or heavy metal poisoning involving zinc, iron, or arsenic.
âThe most common cause of ulcers is damage to the mouth, for example by accidentally biting the inside of your cheek or from a sharp tooth but certain foods are also a possible trigger,â says Kate Hoffmann, matron at Spire The Glen Hospital in Bristol.