VW Code 18312
18312 Description And Summary : |
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This something to do with the intake camshaft timing exhaust gas recirculation cooling valve control, circuit low it can suddenly lead to a significantly more reductant injection air pressure sensor 'a', circuit intermittent you can see the pressure control solenoid 5 (n233), electrical malfunction will delay your vw fault. |
18312 Possible Causes:
18312 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 18312 Code
- Inspect all the connections engine coolant temperature signal, open / short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns