VW Code 04820
04820 Description And Summary : |
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Diagnosing engine bar with exhaust gas temperature sensor, bank 1 sensor 5, circuit low it can suddenly lead to a significantly more bank 2 sensor 1, internal resistance implausible and diesel particulate filter differential pressure too low bank 2 will delay your vw fault. |
04820 Possible Causes:
04820 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04820 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns