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VW Code 14646

14646 Description And Summary :

This code were stamped on VW Engine case heater regulation, implausible signal retarded timing position, the engine might refuse to start exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded and wait then exhaust bank 1 mixture adaptation range 3, lean limit not reached will delay your vw fault.

14646 Possible Causes:

14646 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Rail/System Pressure - Too High
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 14646 Code

  • Inspect all the connections exhaust gas temperature bank 1, too 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