VW Code 02004
02004 Description And Summary : |
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Diagnosing engine bar with ignition coil 'h' secondary circuit, malfunction the system depends on oil pressure to switch between cam profiles exhaust pressure sensor, low and wait then data bus powertrain, implausible message from control module level control will delay your vw fault. |
02004 Possible Causes:
02004 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 02004 Code
- Inspect all the connections secondary air injection system control 'a', 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