Posted on 9/19/2024
Why Is My Check Engine Light On? PO430 Is your check engine light on, and your car's computer is throwing a P0430 code? For drivers of older vehicles like the 2000 Ford Windstar, this can be a cause for concern, but it doesn’t have to be. At Wayside Garage, we’ve seen this issue often and can help explain what’s going on. What Does a P0430 Code Mean? A P0430 code refers to "Catalyst Efficiency Below Threshold" for bank two, which means your catalytic converter on that side of the engine isn’t performing efficiently. The catalytic converter is responsible for reducing harmful emissions from your engine, so when this component struggles, it could be bad news for both your vehicle’s performance and the environment. What Causes a P0430 Code? Several issues can trigger a P0430 code: Aging Oxygen Sensors: These sensors monitor your engine's fuel mixture. If they aren’t functioning properly, they can ... read more