VW Code 04512
04512 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit It could be due to limited air getting through your air intake mass-airflow sensor 3 (g456), signal to high and pressure control solenoid 6 (n371) open / short to ground is the final reason of the code. |
04512 Possible Causes:
04512 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 04512 Code
- Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, 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