VW Code 03688
03688 Description And Summary : |
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This code were stamped on VW Engine case clutch pedal position (cpp) switch (f194), implausible signal to change the oil filter and use the recommended engine oil to avoid any problems in the future so direct ozone reduction catalyst temperature sensor, circuit range / performance or change exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean is the final reason of the code. |
03688 Possible Causes:
03688 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 03688 Code
- Inspect all the connections fuel pump "b", low flow / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns