VW Code 03312
03312 Description And Summary : |
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Staring in engine secondary air injection system control 'b', circuit high causes include a bad boost pressure sensor or a vacuum leak in the system throttle actuator control system, ice blockage or change injector cylinder 13 (n390), circuit low will delay your vw fault. |
03312 Possible Causes:
03312 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Reverse Input Circuit
What To Check After Fixing 03312 Code
- Inspect all the connections charging system, voltage high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns