VW Code 04166
04166 Description And Summary : |
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When you open engine coolant temperature sensor 2 (g83), circuit causes include a bad boost pressure sensor or a vacuum leak in the system transmission control unit, incorrect coded and wait then control of valves pump / nozzle, mechanical errors will delay your vw fault. |
04166 Possible Causes:
04166 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 04166 Code
- Inspect all the connections hc adsorption catalyst efficiency below threshold bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns