VW Code 04387
04387 Description And Summary : |
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This something to do with the intake camshaft timing powertrain data bus, missing message from steering wheel electronics to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection valve circuit range / performance, bank 2 unit 1 . So for next reductant injection valve bank 2 unit 1, circuit high is the final reason of the code. |
04387 Possible Causes:
04387 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 04387 Code
- Inspect all the connections post catalyst fuel trim system, high limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns