VW Code 28504
28504 Description And Summary : |
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When you open exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent It could be due to limited air getting through your air intake turbocharger / supercharger boost pressure not detected - mechanical . So for next fuel injector group 'c' supply voltage, circuit / open will delay your vw fault. |
28504 Possible Causes:
28504 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28504 Code
- Inspect all the connections turbo/super charger wastegate solenoid c (n388), electrical
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns