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Home › Cadillac › 1987 › Seville › Repair and Diagnosis › Engine Performance › System › DFI ECM Tests W/Codes › Diagnosis & Testing › Hard Code EO19 - Shorted Fuel Pump Circuit › Test Conditions:

Test Conditions:

Code "EO18" is clear.
RPM = zero.
Crank input to ECM at zero volts (not cranking).
Check coolant light bulb (key on/engine off).