Both of those codes are for oxygen sensor issues. Oxygen sensors needs to heat up before it gives good readings. In pre 1996 cars, the sensor would get heated up by the cars exhaust. This took about 2 minutes. Oxygen...
Hello code P0031 is for an oxygen sensor Bank 1 Sensor 1 heater circuit malfunction. Electrical testing should be performed to verify that the oxygen sensor has a good heater, measuring the resistance of the heater. If the heater has...
I will explain each code in turn. To resolve all codes, the recommended service to request is a check engine light diagnostic (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection). If you request that service, the responding certified mechanic will get this taken care of for you....
