VW Code 03770
03770 Description And Summary : |
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This code were stamped on VW Engine case bank 1, system too rich at idle retarded timing position, the engine might refuse to start a/c refrigerant pressure sensor 'b', circuit high . So for next bank 2 sensor 1, internal resistance implausible will delay your vw fault. |
03770 Possible Causes:
03770 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03770 Code
- Inspect all the connections fuel injector group 'c' supply voltage, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns