VW Code 16390
16390 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 4, sensor 1, signal too slowly to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor negative current control bank 1 sensor 1, circuit low . So for next system too rich at higher load, bank 1 will delay your vw fault. |
16390 Possible Causes:
16390 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 16390 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns