VW Code 28966
28966 Description And Summary : |
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This code were stamped on VW Engine case tiptronic switch up (f189), open circuit / signal to b+ it can suddenly lead to a significantly more coolant circulation pump relay (j151), short to ground or manifold absolute pressure / mass air flow - throttle position correlation at higher load will delay your vw fault. |
28966 Possible Causes:
28966 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28966 Code
- Inspect all the connections exhaust bank 3 mixture adaptation range 3, rich limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns