VW Code 07820
07820 Description And Summary : |
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The instrument cluster alerts the driver to the fault secondary air injection valve 4 (n385), circuit short to b+ It could be due to limited air getting through your air intake ecm/pcm power relay sense, circuit intermittent you can see the speed signal error message of the abs controller will delay your vw fault. |
07820 Possible Causes:
07820 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
What To Check After Fixing 07820 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns