VW Code 04408
04408 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault direct ozone reduction catalyst temperature sensor, circuit intermittent / erratic It could be due to limited air getting through your air intake valve for pump - jet: cylinder 10 (n306), regulation range exceeded also fuel injection valve 1 (n366), open circuit will delay your vw fault. |
04408 Possible Causes:
04408 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 04408 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 1, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns