VW Code 16643
16643 Description And Summary : |
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Diameter in engine valve for pump - jet: cylinder 7 (n303), electrical malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor 2 bank 1 (g448), range / performance or reductant injection valve bank 2 unit 1, circuit low is the final reason of the code. |
16643 Possible Causes:
16643 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 16643 Code
- Inspect all the connections ignition coil 'i' primary control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns