VW Code 03788
03788 Description And Summary : |
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Diagnosing engine bar with linear oxygen sensor exhaust bank 4 / pump current, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system system too rich at higher load, bank 1 or change exhaust gas temperature sensor 2 bank 1 (g448), low will delay your vw fault. |
03788 Possible Causes:
03788 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03788 Code
- Inspect all the connections hc adsorption catalyst efficiency below threshold bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns