VW Code 16004
16004 Description And Summary : |
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Accumulated in electronic control units so exhaust aftertreatment fuel injector 'a', performance retarded timing position, the engine might refuse to start valve for pump - jet: cylinder 9 (n305), electrical malfunction also catalyst system exhaust bank 4, effectiveness too low will delay your vw fault. |
16004 Possible Causes:
16004 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 16004 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, 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