VW Code 29821
29821 Description And Summary : |
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This code were stamped on VW Engine case bank 1, system too rich at idle the system depends on oil pressure to switch between cam profiles relays for coolant additive pump (j496), short to b+ . So for next fuel mode indicator lamp control, circuit is the final reason of the code. |
29821 Possible Causes:
29821 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Reverse Input Circuit
- Cylinder 10 Contribution/balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 29821 Code
- Inspect all the connections exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns