No, there are many other parts on the engine that can affect mileage but the catalytic converter is a passive device and, if new and clean, cannot affect the way the engine runs or the mileage it gets. Think of it as a filter, althought it's actually a lot more complex than that, if it lets the exhaust gases flow throught without any major obstruction then it can have no effect on the car's performance.
No.
Yes, it can affect the oxygen sensors and catalytic converter.Yes, it can affect the oxygen sensors and catalytic converter.
I dont believe it will if the converter is cracked but if the converter is plugged it definetly will.
Underinflated tires, carrying too much weight in vehicle, excessive speed, engine that needs a tuneup, brakes dragging, or partially clogged catalytic converter.
No, it has no effect on the A/C.
not really, as long as it is at the right temperature, it will not be affected
Yes, a bad cat can cause issues.
the answer is no . the converter would not affect just one cylinder .
This is illegal. You need a catalytic converter, to prevent pollution of the atmosphere.Answerand yes the sensor behind the cat may go crazy. you might have check angine light on and performance will be affected too.
No. A catalytic converter is part of the exhuast system. This is true for all vehicles. If you have problems with you air conditioner you should have a mechanic inspect the components. Any repair will cost you at least $75USD but could cost over $500USD.
Its for Mexico OFF ROAD. not for driven in USA.