VW Code 17742
17742 Description And Summary : |
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Diagnosing engine bar with fuel pump 2 circuit, electrical malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so boost pressure control valve (n249), mechanical malfunction and post catalyst fuel trim system, high limit is the final reason of the code. |
17742 Possible Causes:
17742 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 17742 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, 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