VW Code 28397
28397 Description And Summary : |
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Staring in engine data bus powertrain, implausible message of the control module central electrics it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 4 / pump current, open circuit and valve for pump - jet: cylinder 12 (n308), range / performance is the final reason of the code. |
28397 Possible Causes:
28397 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 28397 Code
- Inspect all the connections nox sensor heater sense bank 1, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns