CATALYTIC CONVERTER FAILURES: If a catalytic converter needs replacing, one of the problems below most likely contributed to its failure. Engine Tune-Up Required. A number of problems could occur to the catalytic converter as the result of an engine that is out of tune.
View Full Document. - Habituation : refers to gradual reduction in the strength of a response due to repetitive stimulation.
1. a reduction or decrease in numbers, size, or strength. 2. a wearing down or weakening of resistance, esp. as a result of continuous pressure or harassment: a war of attrition. 3. a gradual reduction in work force as when workers retire and are not replaced. 4. the act of rubbing against something; friction. 5. a wearing down or away by friction; abrasion.