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.
(dÄkâ²rÉ-mÉnt) n. 1. The act or process of decreasing or becoming gradually less. 2. The amount lost by gradual diminution or waste. 3. Mathematics The amount by which a variable is decreased; a negative increment.