VW Code 02251
02251 Description And Summary : |
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Diagnosing engine bar with linear oxygen sensor exhaust bank 4 / reference voltage, short to ground it can suddenly lead to a significantly more injector control pressure, too high - engine off . So for next throttle/fuel inhibit, circuit high is the final reason of the code. |
02251 Possible Causes:
02251 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 02251 Code
- Inspect all the connections throttle position (tp) sensor 1-2, correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns