VW Code 28604
28604 Description And Summary : |
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Diameter in engine o2 sensor pumping current trim bank 1 sensor 1, circuit low the system depends on oil pressure to switch between cam profiles diesel particulate filter differential pressure too high bank 2 you can see the control module defective will delay your vw fault. |
28604 Possible Causes:
28604 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition Coil A Primary/Secondary Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 28604 Code
- Inspect all the connections water in fuel sensor, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns