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Home >> Cadillac >> 1988 >> Seville Base >> Repair and Diagnosis >> Engine Performance >> System >> DFI ECM Tests W/Codes >> ECM Code EO48 - EGR System Fault >> ECM Code EO48 - EGR System Fault (2 Of 2) >> Notes
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ECM Code EO48 - EGR System Fault (2 Of 2): Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. This step checks for power at EGR solenoid.
  2. This steps checks the ECM's ability to command EGR on.
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