VW Code 12889
12889 Description And Summary : |
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Diagnosing engine bar with exhaust bank 2 sensor 1 oxygen sensor signal, implausibly rich it can suddenly lead to a significantly more exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance also exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration is the final reason of the code. |
12889 Possible Causes:
12889 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 12889 Code
- Inspect all the connections charging system, voltage low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns