VW Code 07401
07401 Description And Summary : |
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The problem is about linear oxygen sensor exhaust bank 4 / pump current, open circuit mechanic will need to check all electrical connections in the camshaft sensor particulate trap bank 2, efficiency below threshold or change injector cylinder 16 (n393), open circuit will delay your vw fault. |
07401 Possible Causes:
07401 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 07401 Code
- Inspect all the connections intake manifold runner position sensor / switch, circuit bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns