VW Code 28428

28428 Description And Summary :

This something to do with the intake camshaft timing valve for pump - jet: cylinder 9 (n305), circuit low input mechanic will need to check all electrical connections in the camshaft sensor relay for exhaust cooling agent (n313), short to b+ and starter activation, return message terminal 50, short to b+ is the final reason of the code.

28428 Possible Causes:

28428 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 28428 Code

  • Inspect all the connections idle speed intervention circuit error message from engine contr.
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range