P0500 is a OBDII trouble code that affects the Chevy Blazer‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The Blazer uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the speedometer, and … Read more
P0507 is a fairly typical OBDII trouble code that can occur in the Chevy Blazer. It is typically triggered when the engine idle speed is 200 rpm or more over the predetermined limit set by the Chevy It is a generic code, which means that it has the same meaning for the Chevy Blazer as any other vehicle. … Read more
P0401 is a very common OBDII trouble code that’ll pop up in the Chevy Blazer. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more