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Home › Cadillac › 1990 › Seville Base, 4T60/ME9 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › ECM Trouble Code Charts › ECM Code EO19: Shorted Fuel Pump Circuit › Test Conditions:

Test Conditions:

Code EO12 clear, ignition on and no reference pulses have been detected since key on.

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