VW Code 08120
08120 Description And Summary : |
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The problem is about ignition coil 'c' primary control, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b2 s2, signal shorted to heater circuit and starter interlock, circuit short to ground will delay your vw fault. |
08120 Possible Causes:
08120 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 10 Contribution/balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 08120 Code
- Inspect all the connections shift lock, open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns