VW Code 28491
28491 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b1 s1, signal shorted to heater circuit it can suddenly lead to a significantly more pressure control solenoid 4 (n218), open / short to ground or change injection pump, timing calibration not learned will delay your vw fault. |
28491 Possible Causes:
28491 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 28491 Code
- Inspect all the connections fuel level sensor 2, circuit high voltage
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns