VW Code 18428
18428 Description And Summary : |
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This code were stamped on VW Engine case transmission faulty causes include a bad boost pressure sensor or a vacuum leak in the system post catalyst fuel trim system, high limit or actuator supply voltage "b", circuit /open will delay your vw fault. |
18428 Possible Causes:
18428 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 18428 Code
- Inspect all the connections control module 1 for cooling fan, excess temperature
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns