VW Code 28929
28929 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration to change the oil filter and use the recommended engine oil to avoid any problems in the future so ignition coil cylinder 14, high circuit also ng high pressure valve (n372), open circuit will delay your vw fault. |
28929 Possible Causes:
28929 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28929 Code
- Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns