VW Code 17909
17909 Description And Summary : |
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Accumulated in electronic control units so exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system turbocharger boost control position sensor 'b', circuit intermittent / erratic also secondary air injection system switching valve bank 1, stuck open will delay your vw fault. |
17909 Possible Causes:
17909 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 17909 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns