VW Code 28790
28790 Description And Summary : |
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The instrument cluster alerts the driver to the fault throttle plate control 2, malfunction causes include a bad boost pressure sensor or a vacuum leak in the system b camshaft position actuator control bank 1, circuit low or change throttle angle signal stuck off will delay your vw fault. |
28790 Possible Causes:
28790 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28790 Code
- Inspect all the connections boost pressure control valve (n249), mechanical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns