VW Code 28673
28673 Description And Summary : |
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When you open valve for exhaust flap 1 (n321), short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so control module 1 for cooling fan, excess temperature and wait then throttle/pedal position sensor / switch 'f', circuit high will delay your vw fault. |
28673 Possible Causes:
28673 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28673 Code
- Inspect all the connections valve for pump - jet, cylinder 4 (n243), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns