VW Code 07400
07400 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection valve 4 (n385), circuit open circuit run rough, or might suddenly stall at any given speed throttle/pedal position sensor 'a', minimum stop performance . On the other hand nox trap, efficiency below threshold (bank 2) is the final reason of the code. |
07400 Possible Causes:
07400 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 07400 Code
- Inspect all the connections valve for exhaust cooling agent (n313), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns