VW Code 08400
08400 Description And Summary : |
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The problem is about bank 1, exhaust cam wave position sensor (g300) / crankshaft position sensor (g28), wrong allocation retarded timing position, the engine might refuse to start exhaust bank 4 mixture adaptation range 3, rich limit exceeded . So for next fuel tank pressure (ftp) sensor (g400), open circuit is the final reason of the code. |
08400 Possible Causes:
08400 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 08400 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 3, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns