Shift in the Demand Curve. A shift in the demand curve occurs when the whole demand curve moves to the right or left. For example, an increase in income would mean people can afford to buy more widgets even at the same price.
Once they fail they can do massive damage like I've described above. Clogged catalytic converters cause the engine to stop running all together, or at the very least you would notice that the engine would no longer rev or accelerate the vehicle (lack of power). Customer: replied 7 years ago.
Do not just change the catalytic converter without determining the possible cause for its failure. Some common causes are listed below. Failure to correct any of the conditions above will cause your new catalytic converter to fail. The warranty of your new converter does not cover damage described above.