VW Code 28648
28648 Description And Summary : |
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This code were stamped on VW Engine case coolant pump control, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'h' primary control, circuit low . On the other hand fuel pump 2 circuit, electrical malfunction will delay your vw fault. |
28648 Possible Causes:
28648 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
- Clutch Position Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 28648 Code
- Inspect all the connections ignition coil cylinder 13, high circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns