VW Code 28038
28038 Description And Summary : |
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The problem is about oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded the system depends on oil pressure to switch between cam profiles ignition coil 'a' primary control, short to plus . On the other hand cylinder 7 injector, data incompatible will delay your vw fault. |
28038 Possible Causes:
28038 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Glow Plug/Heater Circuit 'A' Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28038 Code
- Inspect all the connections angle sensors 1 for butterfly valve drive 2 (g297), signal too largely
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns