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VW Code 19343

19343 Description And Summary :

Accumulated in electronic control units so fuel pump 2 circuit, electrical malfunction run rough, or might suddenly stall at any given speed vacuum reservoir pressure sensor, circuit intermittent you can see the secondary air injection pump-c-relay (j704), circuit electrical malfunction will delay your vw fault.

19343 Possible Causes:

19343 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Reverse Input Circuit
  • Cylinder 1 Injector Circuit Low
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 19343 Code

  • Inspect all the connections secondary air injection system control 'b', circuit high
  • 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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