Mazda 2 P0037: O2 Sensor Heater Control Circuit → Low (B1S2)
P0037 is a generic OBD II trouble code, which means that it has the same meaning for the Mazda 2 as it would for any other car or truck. Diagnosing this code is relatively straightforward. It is usually caused by a bad oxygen sensor, or a wiring issue. This code is closely related to P0031 … Read more