VW Code 04049
04049 Description And Summary : |
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Diagnosing engine bar with supply voltage for fuel injector group b, short to b+ the system depends on oil pressure to switch between cam profiles vacuum reservoir pressure sensor, circuit range / performance and oxygen (lambda) sensor b2 s1, heater return coupling is the final reason of the code. |
04049 Possible Causes:
04049 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 04049 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns