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VW Code 03628

03628 Description And Summary :

This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 2, circuit range / performance causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 1, tension too largely and wait then b camshaft position actuator control bank 1, circuit low will delay your vw fault.

03628 Possible Causes:

03628 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Reverse Input Circuit

What To Check After Fixing 03628 Code

  • Inspect all the connections reductant injection air pressure sensor 'a', circuit low
  • 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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