VW Code 28484
28484 Description And Summary : |
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This code were stamped on VW Engine case fuel supply heater, control circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 2 unit 1, circuit / open also engine coolant temperature sensor 2 (g83), circuit intermittent / erratic will delay your vw fault. |
28484 Possible Causes:
28484 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Clutch Position Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28484 Code
- Inspect all the connections angle sensors 1 for butterfly valve drive 2 (g297), signal too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns