VW Code 18506
18506 Description And Summary : |
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When you open exhaust bank 3 sensor 1, voltage too low or air leak mechanic will need to check all electrical connections in the camshaft sensor o2 sensor pumping current trim bank 1 sensor 1, circuit low and wait then diesel particulate filter pressure sensor 'a', circuit high will delay your vw fault. |
18506 Possible Causes:
18506 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 18506 Code
- Inspect all the connections valve for exhaust cooling agent (n313), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns