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VW Code 021

021 Description And Summary :

When you open exhaust gas temperature sensor 2 bank 2 (g449), range / performance it can suddenly lead to a significantly more fuel pressure regulator 2 control circuit low also diesel particulate filter regeneration frequency is the final reason of the code.

021 Possible Causes:

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

  • Crankshaft Position Sensor A Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Engine Oil Temperature Sensor Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 021 Code

  • Inspect all the connections vehicle speed sensor 'a' / 'b', correlation
  • 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