VW Code 02851
02851 Description And Summary : |
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Diameter in engine relay for exhaust cooling agent (n313), short to ground the system depends on oil pressure to switch between cam profiles transmission control unit, incorrect coded . So for next ignition coil 'b' primary control, circuit low will delay your vw fault. |
02851 Possible Causes:
02851 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 02851 Code
- Inspect all the connections o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns