VW Code 05203
05203 Description And Summary : |
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The instrument cluster alerts the driver to the fault intake manifold tuning valve (bank 1), stuck closed It could be due to limited air getting through your air intake ng high pressure valve (n372), short to ground also intake manifold runner position sensor / switch, circuit intermittent bank 2 will delay your vw fault. |
05203 Possible Causes:
05203 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 05203 Code
- Inspect all the connections a/c refrigerant distribution 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