VW Code 09501
09501 Description And Summary : |
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The problem is about secondary air injection system control 'b', circuit low causes include a bad boost pressure sensor or a vacuum leak in the system throttle/pedal position sensor 'e', maximum stop performance or change evaporative emission system leak detection pump sense, circut high will delay your vw fault. |
09501 Possible Causes:
09501 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 09501 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns