VW Code 05438
05438 Description And Summary : |
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The problem is about intake manifold runner bank 1 control, basic setting aborted mechanical limit open causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor, bank 1 sensor 5, circuit intermittent / erratic you can see the exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent is the final reason of the code. |
05438 Possible Causes:
05438 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 05438 Code
- Inspect all the connections torque management feedback signal "a", high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns