VW Code 09004
09004 Description And Summary : |
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Diagnosing engine bar with diesel particulate filter pressure sensor 'b', circuit low mechanic will need to check all electrical connections in the camshaft sensor ecm/pcm power input, signal low and shift lock, short to b+ will delay your vw fault. |
09004 Possible Causes:
09004 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 09004 Code
- Inspect all the connections throttle/pedal position sensor 'f', maximum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns