VW Code 12490
12490 Description And Summary : |
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This code were stamped on VW Engine case reductant injection air pressure sensor 'a', circuit retarded timing position, the engine might refuse to start coolant pump control, circuit low and wait then valve for exhaust flap 1 (n321), short to b+ will delay your vw fault. |
12490 Possible Causes:
12490 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Reverse Input Circuit
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 12490 Code
- Inspect all the connections clutch pressure, adaptation at limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns