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Home >> Cadillac >> 1988 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> DFI ECM Tests W/Codes >> Override Displays >> ECM "Es02" Override Code

ECM "Es02" Override Code

The EGR solenoid override status is displayed as "ON/OFF". Due to use of a positive backpressure type EGR valve, this test will have no significance at idle.

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