VW Code 04964
04964 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic mechanic will need to check all electrical connections in the camshaft sensor actuator supply voltage 'c', circuit / open or intake manifold runner bank 2, high temperature will delay your vw fault. |
04964 Possible Causes:
04964 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 04964 Code
- Inspect all the connections reductant / regeneration supply control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns