VW Code 09999
09999 Description And Summary : |
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The problem is about fuel pump "b" control, circuit / open mechanic will need to check all electrical connections in the camshaft sensor secondary air injection pump-c-relay (j704), circuit open circuit . So for next actuator supply voltage 'c', circuit low will delay your vw fault. |
09999 Possible Causes:
09999 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 10 Contribution/balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 09999 Code
- Inspect all the connections bank 1, system too rich off idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns