VW Code 28704
28704 Description And Summary : |
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Accumulated in electronic control units so o2 sensor signal bank 1 sensor 2, biased / stuck rich to change the oil filter and use the recommended engine oil to avoid any problems in the future so pressure control solenoid 5 (n233) open / short to ground also automatic glow time control module 2 (j609), circuit implausible signal is the final reason of the code. |
28704 Possible Causes:
28704 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 28704 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns