VW Code 03666
03666 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection system air flow/pressure sensor bank 1, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so pressure sensor for brake boost (g294), implausible signal you can see the 'a' rocker arm actuator control, circuit high will delay your vw fault. |
03666 Possible Causes:
03666 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 03666 Code
- Inspect all the connections reductant / regeneration supply control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns