logo

VW Code 29627

29627 Description And Summary :

Diagnosing engine bar with 'a' rocker arm actuator control, circuit low it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 3, compensation wire pump current, open circuit and generator lamp/l-terminal, circuit low will delay your vw fault.

29627 Possible Causes:

29627 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 4 Contribution/Balance Fault
  • Engine Shutoff Solenoid Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 29627 Code

  • Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit
  • 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