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Q: Why do catalyst not need to be replaced?
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Why does a catalyst not need to be replaced?

A catalyst speeds up a chemical reaction without being consumed in the process. It provides an alternative pathway with lower activation energy, allowing the reaction to occur more easily. Since it doesn't undergo a permanent change, a catalyst does not need to be replaced and can be used multiple times.


What is code PO0421 on a Mitsubishi montero 01?

It means the warm up catalyst on the passenger side is not working properly. I think that is the catalytic convertor and it will probably need to be replaced.


I have a 2001 S10 blazer have replaced O2sensors and E vap blower and hose kit but computer will not clear but the light is out Fails inspection E vap and catalyst codes?

for the evap try changing your gas cap. most likely a vacuum leak. as for the catalyst code if its reading catalyst below threshold you need to change the catalytic converter. that's most likely your problem if you have changed the down stream o2 sensor.


Why do you need a catalyst during a enzyme reaction?

A catalyst speeds up the rate of a chemical reaction by lowering the activation energy needed for the reaction to occur. In the case of an enzyme-catalyzed reaction, the enzyme serves as a biological catalyst, allowing the reaction to occur more efficiently and at lower energy levels than it would without the enzyme.


What does this code mean Catalyst Below Threshold Bank 1?

It means that the catalytic converter is not performing to specifications and should be replaced.


How does a catalyst act upon an enzymatic reaction?

i need help


What are the characteristic of catalyst?

Only small quantity is need for a reaction They are specific. One catalyst is need for specific reaction only Physical properties may change during a reaction but no it does not take part in the reaction.


What are the advantages and disadvantages of using a catalyst?

Advantages of using a catalyst include increased reaction rate, lower energy requirements, and the ability to lower the activation energy barrier. However, disadvantages can include the cost of acquiring and maintaining the catalyst, potential catalyst poisoning, and the need for specific operating conditions for optimal performance.


What term describes a substance rhat lowers the amount of energy needed to start a chemical reaction?

This substance is called a catalyst.


Need answer of the question What was the critical catalyst that led Kodak to start taking the Japanese market seriously?

what was the critical catalyst that led kodak to start taking the japanese market seriously


What do you need to get your drivers license replaced?

you need to get your drivers license replaced when your current one expires. look at the license's and you'll see a date(not your birth date) & that's when you need to get it replaced.


How do you fix a damaged crankshaft?

A damaged crankshaft will need replaced.A damaged crankshaft will need replaced.