VW Code 04799
04799 Description And Summary : |
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Diagnosing engine bar with diesel particulate filter pressure sensor 'b', circuit intermittent / erratic retarded timing position, the engine might refuse to start valve for pump - jet: cylinder 7 (n303), regulation range exceeded you can see the solenoid ev 7 (n94), electrical malfunction will delay your vw fault. |
04799 Possible Causes:
04799 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04799 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / reference voltage, 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