VW Code 01270
01270 Description And Summary : |
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Staring in engine nox sensor bank 2, circuit it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 2 / common ground wire, short to ground or change actuator supply voltage "b", circuit high will delay your vw fault. |
01270 Possible Causes:
01270 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 01270 Code
- Inspect all the connections manifold absolute pressure / mass air flow - throttle position correlation at idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns