Your car’s oxygen sensors and catalytic converter are key to both performance and emissions, but their accuracy can be upset by upstream faults. Issues like exhaust or vacuum leaks and misfires can ...

Why Replace A Faulty Oxygen Sensor? A faulty sensor cannot transmit accurate data to the car's computer, causing the engine to run unbalanced. An unbalanced engine either burns fuel with too much or ...

Compare plans tailored to your car & budget. Catalytic converter replacement is a cost most car owners hope to avoid. Unfortunately, theft of this important car part has been more common in recent ...