VW Code 03774
03774 Description And Summary : |
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Diameter in engine exhaust bank 3, probe 2 no activity causes include a bad boost pressure sensor or a vacuum leak in the system relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass or change evaporative emissions (evap) fuel vapour temperature sensor, circuit will delay your vw fault. |
03774 Possible Causes:
03774 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 03774 Code
- Inspect all the connections activation 2-unit injector valve, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns