What causes a P0031 code?
The P0031 code is a result of the bank 1 HO2S1 (pre catalytic converter heated oxygen sensor) heating element having low voltage. Heated O2 sensors have a seperate heater inside the sensor to get them to operating temperature quickly. If this code is set, the oxygen sensor heater is not working.
What does heater control circuit low mean?
Diagnostic Trouble Code (DTC) P0037 stands for “Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1, Sensor 2).” It refers to a malfunction in the heating element of the downstream oxygen sensor behind the catalytic converter.
What does engine code P2195 mean?
The P2195 code is a result of the engine control module (ECM) indicating that the oxygen sensor is fluctuating outside its optimal range. This sensor is nicknamed the air/fuel (A/F) ratio sensor, as it monitors the air-fuel ratio of the exhaust between the engine and the catalytic converter.
What does the code p0031 on Subaru mean?
P0031 SUBARU Tech Notes. The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow, which is a very common problem for this type codes.
Where do you find the trouble code on a Subaru Justy?
The long segment (1.2 sec on) indicates a “ten”, and the short segment (0.2 sec on) signifies a “one”. 90 models – Trouble codes on the Justy are viewed on the Oxygen Moniter light, all other models the codes can be viewed on either the Oxygen Moniter light or the MIL (check engine light).
How to retrieve Subaru check engine light codes?
There two ways to retrieve subaru check engine light codes and they are: Mind you, you will have to be skilled for you to be able to retrieve Subaru check engine codes without a scanner. And that is why included video demonstration so you can have virtual demonstration of the steps.
Is there an OBD code for a Subaru imprenza legacy?
95 Imprenza and Legacy models have OBD2 systems and require a scanner,but some basic codes can be retreived using the flashing MIL method. Codes will only clear when the faulty system or circuit has been repaired.