VW Code 17156
17156 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit run rough, or might suddenly stall at any given speed exhaust bank 3, probe 1 electrical error in the electric circuit also mass-airflow sensor 4 (g457), signal to high will delay your vw fault. |
17156 Possible Causes:
17156 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 17156 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, 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