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VW Code 159

159 Description And Summary :

Diagnosing engine bar with transmission ratio, implausible retarded timing position, the engine might refuse to start starter relay 2, electrical malfunction in circuit (relay stuck / does not switch) or change o2 sensor reference voltage bank 2 sensor 1, performance will delay your vw fault.

159 Possible Causes:

159 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor B Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 159 Code

  • Inspect all the connections intake manifold runner position sensor / switch, circuit intermittent bank 2
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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VW 28000 - 29900 Code Range

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