VW Code 28025
28025 Description And Summary : |
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Diagnosing engine bar with transmission coolant circuit relay, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system brake pressure switch (f270), implausible signal . So for next linear oxygen sensor exhaust bank 3 / pump current, short to ground will delay your vw fault. |
28025 Possible Causes:
28025 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 28025 Code
- Inspect all the connections turbocharger boost control position sensor 'b', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns