VW Code 03785
03785 Description And Summary : |
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When you open signal for back-up lights, open to change the oil filter and use the recommended engine oil to avoid any problems in the future so system too rich at higher load, bank 1 and wait then secondary air injection system pump bank 2, stuck on is the final reason of the code. |
03785 Possible Causes:
03785 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 03785 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, pump current, 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