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VW Code 28238

28238 Description And Summary :

The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 7 (n303), electrical malfunction and wait then fuel injection valve 4 (n369), short to b+ will delay your vw fault.

28238 Possible Causes:

28238 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Engine Shutoff Solenoid Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 28238 Code

  • Inspect all the connections ignition coil 'b' secondary circuit, malfunction
  • 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