Yes, it sure can.
Yes
Could be, a plugged fuel filter, a damaged catalytic converter,
Yes, it is possible. It will also cause severe loss of power.
A defective catalytic converter can do that.
A bad catalytic converter will cause a severely restricted exhaust system. You would notice a lack of power and performance from you vehicle and in cases of a completely blocked converter, the engine may not run.
yes; but in removing one you run the risk of a $10,000 fine.
Yes it will, plus loss of power, & poor mileage.
No, the vehicle will not only not have more power it will not run properly with converter removed. Secondly it is illegal to remove the catalytic converter.
Check the catalytic converter. They get plugged and cause the vehicle to lose power.
A bad oxygen sensor can cause power loss, reduced fuel economy and damage to your catalytic converter.
No.
A plugged fuel filter, A plugged catalytic converter,