VW Code 07904
07904 Description And Summary : |
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This code were stamped on VW Engine case park/neutral switch input circuit causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 sensor 1 oxygen sensor signal, voltage too low during deceleration and fuel injection valve 3 (n368), short to ground will delay your vw fault. |
07904 Possible Causes:
07904 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
What To Check After Fixing 07904 Code
- Inspect all the connections generator lamp/l-terminal, 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