VW Code 00901
00901 Description And Summary : |
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Accumulated in electronic control units so pre-catalyst exhaust bank 4 effect too small causes include a bad boost pressure sensor or a vacuum leak in the system 'b' rocker arm actuator system, performance or stuck off . On the other hand engine torque reduction, short to b+ will delay your vw fault. |
00901 Possible Causes:
00901 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 00901 Code
- Inspect all the connections coolant fan 2 (v177), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns