VW Code 12850
12850 Description And Summary : |
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When you open fuel level sensor 2, performance mechanic will need to check all electrical connections in the camshaft sensor turbocharger speed sensor, circuit intermittent or change butterfly valve control unit 2 (j544), lower notice one does not reach is the final reason of the code. |
12850 Possible Causes:
12850 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12850 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / common ground wire, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns