VW Code 02040
02040 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean the system depends on oil pressure to switch between cam profiles shift lock, open or change 'b' rocker arm actuator control, circuit low is the final reason of the code. |
02040 Possible Causes:
02040 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Clutch Position Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 02040 Code
- Inspect all the connections direct ozone reduction catalyst temperature sensor circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns