Let us spray. 1  When you're at the perfume counter, buying something smelly for your nearest and dearest this Christmas, just don't ask what's in it. 2  When you're at the perfume counter, buying something smelly for your nearest and dearest this Christmas, just don't ask what's in it. Hannah Betts argues you may get a nasty surprise.
Best Answer: When a catalytic converter goes bad it will restrict the flow of exhaust gases through the exhaust system. Basically, if the exhaust won't come out easily, air won't be taken into the engine easily to mix with the fuel to be burnt and give you power.
The function of any catalytic converter is to reduce harmful emissions generated by a properly-tuned engine. Learn more here. A catalytic converter is a vital part of a vehicle emissions control system. It is designed to convert harmful engine emissions to CO2 and water.