VW Code 04346
04346 Description And Summary : |
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When you open data bus powertrain, missing message from acceleration request it can suddenly lead to a significantly more secondary air injection system air flow/pressure sensor bank 2, circuit range / performance or change malfunction indication light (k83), short to ground will delay your vw fault. |
04346 Possible Causes:
04346 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Fuel Temperature Sensor B Circuit Range/Performance
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 04346 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns