VW Code 28420
28420 Description And Summary : |
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Diameter in engine fuel pump, electronics faulty retarded timing position, the engine might refuse to start clutch temperature, control . On the other hand a/c refrigerant distribution valve control, circuit / open will delay your vw fault. |
28420 Possible Causes:
28420 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 28420 Code
- Inspect all the connections exhaust pressure sensor
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns