VW Code 28657
28657 Description And Summary : |
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The instrument cluster alerts the driver to the fault generator lamp/l-terminal, circuit low run rough, or might suddenly stall at any given speed engine coolant level sensor / switch, circuit high or change vehicle speed sensor 'a' / 'b', correlation is the final reason of the code. |
28657 Possible Causes:
28657 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28657 Code
- Inspect all the connections turbo/super charger wastegate solenoid d (n389), signal high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns