VW Code 139
139 Description And Summary : |
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This something to do with the intake camshaft timing ecm/pcm power input, signal range / performance causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean . On the other hand fuel pump, electronics faulty will delay your vw fault. |
139 Possible Causes:
139 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 139 Code
- Inspect all the connections fuel shutoff valve "b" control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns