VW Code 12631
12631 Description And Summary : |
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This code were stamped on VW Engine case bank 2, system too rich at idle it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 4 / common ground wire, open circuit and wait then engine torque reduction, open / short to ground will delay your vw fault. |
12631 Possible Causes:
12631 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12631 Code
- Inspect all the connections actuator supply voltage "b", circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns