VW Code 28730
28730 Description And Summary : |
|---|
Diagnosing engine bar with intake manifold flap; bank 1, stuck open causes include a bad boost pressure sensor or a vacuum leak in the system data-bus powertrain, missing message from engine controller (ecu) . So for next throttle angle signal stuck on will delay your vw fault. |
28730 Possible Causes:
28730 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 28730 Code
- Inspect all the connections secondary air injection system control 'a', circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns