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 »

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 »

To clean a catalytic converter, pour catalytic converter cleaner into the gas tank, drive until the tank is close to empty, refill the tank, and re-calibrate the vehicle's on-board computer. This helps to maintain compon... More »

Platinum content in catalytic converters can differ significantly depending on the year the catalytic converter was fabricated and the type of vehicle. Small cars usually average 1 to 2 grams per car, while larger trucks... More »

Catalytic converters reduce poisonous vehicle emissions of carbon monoxide, nitrogen oxides and hydrocarbons, which improves air quality and reduces environmental damage. To convert the harmful gases, the catalytic conve... 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 »