How do you fix code P0031?
How to Diagnose and Repair Code P0031:
- If no voltage is registered, check the fuse; if the fuse is good, consider repairing short/open in heater circuit wiring.
- If low voltage is measured, check for high resistance in the wiring.
- If the voltmeter registers 12 volts, consider replacing the heated oxygen sensor.
What does trouble code P0031 mean?
If your OBD-II scanner indicates an error code P0031, this means that you have an issue with your O2 sensor number one. For many vehicles, this is also known as an air/fuel ratio sensor.
What does heater 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.
Where is the heater oxygen sensor located?
The exhaust system has a Heated Oxygen Sensor in front of it. It is part of the Oxygen Sensor Heater. Behind the cylinder head is where the Heated Oxygen Sensor is located.
How do you fix a heater control circuit?
Zitat von Youtube: Manifold. Visually check the oxygen sensors electrical connections wire harness and metal tabs for any damages. If the damages are found then replace the oxygen. Sensor.
How do you clean O2 sensors?
Zitat von Youtube: Take it out you know spray. It let it soak. Again you know rinse and repeat a couple of times try to get as much of the gunk out as possible. However you're very unlikely to be able to get.
What causes heater control circuit low?
Having experienced this problem in the past, the most common problem is damage to the sensor wiring, either from improper installation or the wiring clamps failing causing the wires to touch the exhaust system, including the catalytic converter which is the hottest part of the exhaust.
Is there a fuse for oxygen sensor?
yes, there is a fuse for the o2 heaters. check all the fuses. it may also be a harness issue and needs to be checked as well.