VW Code 28073
28073 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 3, probe 2 heating circuit short-circuit after mass retarded timing position, the engine might refuse to start valve for pump - jet: cylinder 9 (n305), regulation range exceeded you can see the air cleaner inlet control, circuit / open will delay your vw fault. |
28073 Possible Causes:
28073 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28073 Code
- Inspect all the connections a/c refrigerant distribution valve control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns