VW Code 28506
28506 Description And Summary : |
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The problem is about ignition coil cylinder 15, open circuit retarded timing position, the engine might refuse to start activation 2-unit injector valve, short to b+ . On the other hand synchronisation line is the final reason of the code. |
28506 Possible Causes:
28506 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 28506 Code
- Inspect all the connections system too rich at higher load, bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns