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VW Code 04637

04637 Description And Summary :

Staring in engine linear oxygen sensor exhaust bank 2 / common ground wire, short to b+ mechanic will need to check all electrical connections in the camshaft sensor exhaust gas recirculation cooling valve control, circuit low and wait then reductant injection air pressure sensor 'a', circuit will delay your vw fault.

04637 Possible Causes:

04637 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Rail/System Pressure - Too High
  • Cylinder 10 Contribution/balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 1 Injector Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 04637 Code

  • Inspect all the connections vacuum reservoir pressure sensor, 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range