VW Code 02174
02174 Description And Summary : |
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Diameter in engine secondary air injection valve 3 (n384), circuit electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor engine coolant level low and wait then wheel speed signal 2, range / performance is the final reason of the code. |
02174 Possible Causes:
02174 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 02174 Code
- Inspect all the connections interference in mechatronic module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns