VW Code 28257
28257 Description And Summary : |
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This code were stamped on VW Engine case exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance It could be due to limited air getting through your air intake mass-airflow sensor 3 (g456), signal to low and wait then post catalyst fuel trim system, high limit will delay your vw fault. |
28257 Possible Causes:
28257 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Engine Shutoff Solenoid Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28257 Code
- Inspect all the connections power supply (b+) terminal 15, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns