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VW Code 28426

28426 Description And Summary :

The problem is about exhaust bank 4, sensor 2 heater circuit, interruption causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold runner bank 2, high temperature and exhaust bank 3 sensor 1, inner resistance implausible will delay your vw fault.

28426 Possible Causes:

28426 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Crankshaft Position Sensor A Circuit Low Input
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 28426 Code

  • Inspect all the connections torque management request input signal b
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range