VW Code 01666
01666 Description And Summary : |
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This something to do with the intake camshaft timing turbocharger boost control position sensor, circuit intermittent the system depends on oil pressure to switch between cam profiles exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit . So for next barometric pressure sensor 'a', circuit intermittent / erratic will delay your vw fault. |
01666 Possible Causes:
01666 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 01666 Code
- Inspect all the connections exhaust bank 3, probe 1 no activity
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns