VW Code 02438
02438 Description And Summary : |
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Diagnosing engine bar with o2 sensor signal bank 2 sensor 1, biased / stuck rich the system depends on oil pressure to switch between cam profiles intake manifold flap; bank 2, stuck open . On the other hand transmission mount valve 2 (n263), short to b+ will delay your vw fault. |
02438 Possible Causes:
02438 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 02438 Code
- Inspect all the connections exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns