VW Code 18312
18312 Description And Summary : |
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Staring in engine exhaust bank 4, sensor 1, tension too largely it can suddenly lead to a significantly more engine coolant level sensor / switch, circuit range / performance or change o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3 is the final reason of the code. |
18312 Possible Causes:
18312 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 18312 Code
- Inspect all the connections post catalyst fuel trim system, low limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns