VW Code 03457
03457 Description And Summary : |
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When you open linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ It could be due to limited air getting through your air intake turbocharger speed sensor, circuit high and wait then injection pump, timing calibration not learned is the final reason of the code. |
03457 Possible Causes:
03457 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03457 Code
- Inspect all the connections secondary air injection pump-c-relay (j704), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns