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Home >> Oldsmobile >> 1988 >> Custom Cruiser >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (DFI ECM Tests W/Codes) >> ECM Code EO30 - Idle Speed Control Circuit Problem >> DFI ECM Tests W/Codes >> Test Conditions:

Test Conditions:

WARNING: This page is about a different car, the 1988 Cadillac Seville and 1988 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Codes EO21, EO22, EO24, EO26 and EO27 clear. Vehicle speed equals zero. Throttle switch closed. Battery voltage greater than or equal to 11 volts. Engine speed is greater than 152 RPM, which is different than desired. Not a cold start.

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