VW Code 28790
28790 Description And Summary : |
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Diameter in engine exhaust aftertreatment fuel injector 'a', circuit low it can suddenly lead to a significantly more diesel particulate filter pressure sensor 'a', circuit intermittent / erratic . So for next b camshaft position actuator control bank 2, circuit high is the final reason of the code. |
28790 Possible Causes:
28790 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cold Start Injector 1 Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28790 Code
- Inspect all the connections data bus powertrain, missing messages
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns