VW Code 28902
28902 Description And Summary : |
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When you open change-over valve for intake manifold flap 2, high mechanic will need to check all electrical connections in the camshaft sensor vehicle speed sensor 'b', intermittent / erratic / high . So for next linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ is the final reason of the code. |
28902 Possible Causes:
28902 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 28902 Code
- Inspect all the connections valve for pump - jet: cylinder 10 (n306), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns