A failed catalytic converter affects engine performance and fuel economy. With a plugged converter, pressing on the accelerator does not increase the speed. The engine backfires, and the car jerks while driving down the ... More »

Removing a vehicle's catalytic converter for any other reason except its replacement is illegal in the United States. Removal of the catalytic converter in modern vehicles results in little to no improvement in the vehic... More »

Signs of a faulty catalytic converter include reduced fuel economy, excess engine heat, and impaired engine or exhaust performance. A visible fuel vapor over the carburetor intake, performance changes after the removal o... More »

Low fuel pressure results in several issues for the engine, including rough idle, poor performance and decreased fuel economy. If the pressure is too low, the engine does not start. Fuel-injected engines are especially s... More »

Signs of a faulty catalytic converter include reduced fuel economy, excess engine heat, and impaired engine or exhaust performance. A visible fuel vapor over the carburetor intake, performance changes after the removal o... More »

When a catalytic converter is clogged, you are likely to notice several symptoms, including a drop in your car's fuel efficiency, failure to accelerate properly and even your car not starting correctly. Many cars have da... More »

Symptoms of a bad catalytic converter in a Dodge Dakota, or any vehicle, include exhaust issues and poor performance. Drivers also notice an offensive smell coming from the vehicle, similar to rotten eggs or sulfur. More »