VW Code 12604
12604 Description And Summary : |
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This something to do with the intake camshaft timing reductant injection valve circuit range / performance, bank 2 unit 1 It could be due to limited air getting through your air intake exhaust gas temperature sensor bank 2 sensor 3, circuit range / performance and wait then o2 sensor signal bank 2 sensor 1, biased / stuck rich is the final reason of the code. |
12604 Possible Causes:
12604 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 12604 Code
- Inspect all the connections activation, intake manifold runner bank 1 control, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns