VW Code 04393
04393 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b3 s1, heater return coupling retarded timing position, the engine might refuse to start exhaust gas temperature sensor, bank 2 sensor 5, circuit intermittent / erratic . On the other hand o2 sensor negative current control bank 2 sensor 1, circuit / open will delay your vw fault. |
04393 Possible Causes:
04393 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 04393 Code
- Inspect all the connections control module defective
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns