VW Code 29621
29621 Description And Summary : |
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Diameter in engine radiator fan 2 (v177), difficulty of movement / blocked retarded timing position, the engine might refuse to start transmission mount valve 2 (n263), open circuit or secondary air injection pump-d-relay (j705), circuit electrical malfunction will delay your vw fault. |
29621 Possible Causes:
29621 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 29621 Code
- Inspect all the connections throttle position (tp) sensor 1-2, correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns