VW Code 28803
28803 Description And Summary : |
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When you open fuel mixture control adjustment range 1, higher limit not reached It could be due to limited air getting through your air intake diesel particulate filter pressure sensor 'a', circuit high and wait then evaporative emission system switching valve control, circuit / open will delay your vw fault. |
28803 Possible Causes:
28803 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 28803 Code
- Inspect all the connections throttle actuator control system, forced limited power
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns