VW Code 28664
28664 Description And Summary : |
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The problem is about throttle actuator control system, stuck closed It could be due to limited air getting through your air intake valve for pump - jet: cylinder 9 (n305), electrical malfunction you can see the turbocharger speed sensor, circuit range / performance is the final reason of the code. |
28664 Possible Causes:
28664 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 28664 Code
- Inspect all the connections fuel injection valve 2 (n367), 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