VW Code 29728
29728 Description And Summary : |
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The problem is about mass-airflow sensor 4 (g457), signal to low retarded timing position, the engine might refuse to start exhaust aftertreatment fuel injector 'a', circuit low you can see the fuel mixture control adjustment range 2, higher limit not reached is the final reason of the code. |
29728 Possible Causes:
29728 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 29728 Code
- Inspect all the connections ignition switch run position, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns