VW Code 04187
04187 Description And Summary : |
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Diameter in engine reductant injection valve bank 2 unit 2, circuit high mechanic will need to check all electrical connections in the camshaft sensor throttle/pedal position sensor 'a', maximum stop performance also control module for coolant fan 3 fan activation, short circuit is the final reason of the code. |
04187 Possible Causes:
04187 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04187 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns