VW Code 00123
00123 Description And Summary : |
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Diameter in engine valve for intake manifold flap (n239), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emissions (evap) fuel vapour temperature sensor, circuit and data bus engine/engine, missing message from ecu 2 will delay your vw fault. |
00123 Possible Causes:
00123 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 00123 Code
- Inspect all the connections engine coolant bypass 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