VW Code 18256
18256 Description And Summary : |
|---|
Diagnosing engine bar with valve for pump - jet: cylinder 8 (n304), regulation range exceeded It could be due to limited air getting through your air intake fuel cap sensor / switch, circuit range / performance you can see the exhaust bank 4, sensor 2, no activity is the final reason of the code. |
18256 Possible Causes:
18256 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 18256 Code
- Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 5, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns