VW Code 28217
28217 Description And Summary : |
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The problem is about o2 sensor reference voltage bank 2 sensor 1, performance causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 2 heater circuit, interruption or butterfly valve control unit 2 (j544), adaptation not started will delay your vw fault. |
28217 Possible Causes:
28217 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28217 Code
- Inspect all the connections potentiometer 2 for egr (g466), signal too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns