VW Code 01391
01391 Description And Summary : |
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The problem is about turbocharger boost control position sensor 'b', circuit mechanic will need to check all electrical connections in the camshaft sensor water in fuel sensor, circuit low also ignition coil cylinder 14, low circuit will delay your vw fault. |
01391 Possible Causes:
01391 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 01391 Code
- Inspect all the connections secondary air injection pump-d-relay (j705), circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns