VW Code 65203
65203 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit mechanic will need to check all electrical connections in the camshaft sensor intake manifold runner control, circuit high bank 2 or exhaust gas recirculation flow 2, insufficient detected is the final reason of the code. |
65203 Possible Causes:
65203 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 65203 Code
- Inspect all the connections direct ozone reduction catalyst temperature sensor, 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