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.
Auto Repair For Dummies, 2nd Edition. The catalytic converter is a very important part of the emissions control system on your vehicle. Itâs usually good for the life of a vehicle, but occasionally it does fail. The best thing you can do is be alert for signs of trouble and head for a service facility if you suspect that the catalytic converter is malfunctioning.