VW Code 17738
17738 Description And Summary : |
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Staring in engine oxygen sensor bank 3 sensor 1, internal resistance too large causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor bank 2, circuit low and ignition coil 'a' primary control, circuit low is the final reason of the code. |
17738 Possible Causes:
17738 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 17738 Code
- Inspect all the connections fuel pump 2 circuit, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns