it depends on the car some cars cant change it and i dont know why but some cars are manditory..
Catalytic converters are very expensive. For this reason only replace the catalytic converter if it is defective. If only one of the two are defective replace that one.
On modern vehicles the catalytic converter is made to last the life of the vehicle. It would need to be replaced if the car is burning a lot of oil or if it has been damaged.
Yes, a car can be driven without a catalytic converter. However, it is illegal to drive a car without them because of emissions.
When driving a car with an automatic transmission up a steep hill it is not necessary to shift gears. The car will do that on its own when necessary.
catalytic converter
The Catalytic Converter is located in the middle of the car underneath. about 3/4 of the way towards the front of the car
between the catalytic converter and muffler. You reach it from underneath the car. No special socket is necessary for the rear sensor, an open end wrench will do.
Not unless it was originally equipped with a catalytic converter which is unlikely. If not, then NO it is not required.
The catalytic converter is always in front of the muffler. Somewhere in the first third of the exaust system. Varies car to car.
No, it will not.
1975
No.