FixVault

Code P048, EGR System Fault (2 Of 2): Notes

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. 4)  With engine at idle, EGR solenoid should be energized. Test light connected across EGR solenoid terminals should be illuminated.
  2. 5)  Checks PCM's ability to turn off EGR solenoid.