VW Code 13028
13028 Description And Summary : |
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Diameter in engine secondary air injection valve 4 (n385), circuit open circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit . So for next valve for coolant system circuit, low / intermittent is the final reason of the code. |
13028 Possible Causes:
13028 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 13028 Code
- Inspect all the connections turbocharger boost control position sensor, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns