VW Code 10257
10257 Description And Summary : |
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Diagnosing engine bar with secondary air injection pump-c-relay (j704), circuit short to ground it can suddenly lead to a significantly more exhaust bank 3 mixture adaptation range 3, lean limit not reached and wait then torque management feedback signal "b", range / performance will delay your vw fault. |
10257 Possible Causes:
10257 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Fuel Composition Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 10257 Code
- Inspect all the connections data-bus powertrain, hardware defective
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns