VW Code 04820
04820 Description And Summary : |
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When you open cylinder 7 injector, data incompatible run rough, or might suddenly stall at any given speed evaporative emission system leak detection pump sense, circuit intermittent / erratic or change linear oxygen sensor exhaust bank 2 / reference voltage, open circuit 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
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 04820 Code
- Inspect all the connections valve for pump - jet: cylinder 11 (n307), circuit low input
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns