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VW Code 18257

18257 Description And Summary :

The problem is about a/c request a, circuit causes include a bad boost pressure sensor or a vacuum leak in the system crankshaft position signal output, circuit / open also exhaust bank 3, probe 2 heating circuit of electrical errors is the final reason of the code.

18257 Possible Causes:

18257 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 18257 Code

  • Inspect all the connections exhaust gas temperature sensor 2 bank 1 (g448), low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range