VW Code 18390
18390 Description And Summary : |
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Staring in engine linear oxygen sensor exhaust bank 4 / common ground wire, short to ground run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 4 / pump current, short to ground and wait then water in fuel sensor, circuit low is the final reason of the code. |
18390 Possible Causes:
18390 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 18390 Code
- Inspect all the connections ng high pressure valve (n372), 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