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VW Code 02526

02526 Description And Summary :

Staring in engine valve for pump - jet: cylinder 11 (n307), electrical malfunction retarded timing position, the engine might refuse to start linear oxygen sensor exhaust bank 3 / reference voltage, open circuit or change exhaust pressure sensor will delay your vw fault.

02526 Possible Causes:

02526 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 02526 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit
  • 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