VW Code 03788
03788 Description And Summary : |
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Staring in engine exhaust bank 1 mixture adaptation range 3, rich limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean or change egr system, regulation range not reached is the final reason of the code. |
03788 Possible Causes:
03788 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 03788 Code
- Inspect all the connections 'a' rocker arm actuator control, 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