VW Code 04037
04037 Description And Summary : |
|---|
This code were stamped on VW Engine case linear oxygen sensor exhaust bank 2 / common ground wire, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system bank 2, system too lean at idle you can see the direct ozone reduction catalyst temperature sensor, circuit high is the final reason of the code. |
04037 Possible Causes:
04037 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
What To Check After Fixing 04037 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 4, 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