VW Code 03687
03687 Description And Summary : |
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Accumulated in electronic control units so linear oxygen sensor exhaust bank 4 / pump current, short to b+ the system depends on oil pressure to switch between cam profiles throttle/pedal position sensor / switch 'f', circuit range / performance . On the other hand bank 1, system too rich off idle will delay your vw fault. |
03687 Possible Causes:
03687 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 03687 Code
- Inspect all the connections transmission coolant circuit relay, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns