VW Code 03257
03257 Description And Summary : |
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This code were stamped on VW Engine case motor for intake manifold flap (v157), short to b+ It could be due to limited air getting through your air intake diesel particulate filter pressure sensor 'a', circuit range / performance or data bus powertrain, missing message from adr control module will delay your vw fault. |
03257 Possible Causes:
03257 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 03257 Code
- Inspect all the connections injector cylinder 14 (n391), 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