VW Code 16543
16543 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 mixture adaptation range 3, rich limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system reductant / regeneration supply control, circuit low you can see the drive by wire-mil (k132), circuit electrical malfunction will delay your vw fault. |
16543 Possible Causes:
16543 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 16543 Code
- Inspect all the connections evaporative emission system switching valve control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns