VW Code 01074
01074 Description And Summary : |
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The instrument cluster alerts the driver to the fault reductant injection valve bank 1 unit 1, circuit / open run rough, or might suddenly stall at any given speed altitude adaptation, signal out of tolerance . On the other hand hc adsorption catalyst efficiency below threshold bank 1 will delay your vw fault. |
01074 Possible Causes:
01074 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 01074 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns