VW Code 02803
02803 Description And Summary : |
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Diameter in engine linear oxygen sensor exhaust bank 4 / common ground wire, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, missing message from immobilizer and transmission output speed sensor 2 (g196), circuit range / performance is the final reason of the code. |
02803 Possible Causes:
02803 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 02803 Code
- Inspect all the connections cylinder 5 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns