VW Code 28938
28938 Description And Summary : |
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Staring in engine exhaust gas recirculation cooling valve control, circuit / open the system depends on oil pressure to switch between cam profiles malfunction indication light (k83), short to ground . So for next reversing light, circuit short to b+ will delay your vw fault. |
28938 Possible Causes:
28938 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 28938 Code
- Inspect all the connections o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns