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.
Your Chevy catalytic converter's main responsibility is to prevent harmful emissions from mixing with the atmosphere. If these are not properly checked you might find it clogged and would cause it to reduce your Chevy engine performing inefficiently and would result to too much pollution merging with the environment.