VW Code 03995
03995 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 2 / pump current, short to ground and oxygen (lambda) sensor b2 s1, signal shorted to heater circuit is the final reason of the code. |
03995 Possible Causes:
03995 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 03995 Code
- Inspect all the connections coolant circulation pump relay (j151), 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