VW Code 12434
12434 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4 sensor 1 heater circuit, short to b+ run rough, or might suddenly stall at any given speed injector control pressure, too low also exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic is the final reason of the code. |
12434 Possible Causes:
12434 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 12434 Code
- Inspect all the connections o2 sensor signal bank 2 sensor 1, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns