VW Code 03889
03889 Description And Summary : |
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This code were stamped on VW Engine case direct ozone reduction catalyst temperature sensor, circuit low run rough, or might suddenly stall at any given speed exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration also relays for small amount of heat (j359), disconnected or short to ground is the final reason of the code. |
03889 Possible Causes:
03889 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03889 Code
- Inspect all the connections transmission coolant circuit relay, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns