VW Code 03490
03490 Description And Summary : |
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Accumulated in electronic control units so o2 sensor signal bank 1 sensor 2, biased / stuck rich mechanic will need to check all electrical connections in the camshaft sensor control module defective and wait then secondary air injection system pump bank 2, stuck off will delay your vw fault. |
03490 Possible Causes:
03490 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03490 Code
- Inspect all the connections throttle actuator control system, stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns