Posts Tagged: Evaporative Emission Control System Purge Control Valve Circuit Malfunction

P0443 fix: Purge Control Valve Circuit Malfunction

How I Diagnose a P0443 Code and Test the Purge Valve with a Multimeter As a technician who’s dealt with many evaporative emission (EVAP) system problems, I’ve seen my share of the P0443 code. If you’re staring down a check engine light and your scanner pulls up this code, don’t panic. It’s not typically a catastrophic issue—but it does require proper testing and logical diagnosis. In this article, I’m going to walk you through exactly what the P0443 code means and how I personally diagnose a P0443 code using a … Read More