VW Code 12099
12099 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection valve 4 (n385), circuit short to ground causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emissions (evap) fuel vapour temperature sensor, circuit intermittent . On the other hand intake manifold flap; bank 2, stuck closed is the final reason of the code. |
12099 Possible Causes:
12099 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12099 Code
- Inspect all the connections diesel particulate filter pressure sensor 'a', 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