VW Code 01804
01804 Description And Summary : |
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This code were stamped on VW Engine case evaporative emission system leak detection pump control, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection system air flow/pressure sensor bank 2, circuit low . On the other hand power supply (b+) terminal 15, low voltage will delay your vw fault. |
01804 Possible Causes:
01804 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 01804 Code
- Inspect all the connections intake manifold tuning valve (bank 1), stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns