VW Code 16903
16903 Description And Summary : |
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When you open o2 sensor negative current control bank 2 sensor 1, circuit high run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 4 / reference voltage, short to ground you can see the valve for pump - jet: cylinder 9 (n305), circuit low input is the final reason of the code. |
16903 Possible Causes:
16903 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 16903 Code
- Inspect all the connections data-bus powertrain, software version controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns