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Home › Cadillac › 1987 › Seville › Repair and Diagnosis › Engine Performance › System › DFI ECM Tests W/Codes › Diagnosis & Testing › Hard Code EO26 - Shorted Throttle Switch CKT › Test Conditions:

Test Conditions:

Code Nos. "EO21" and "EO22" are clear.
TPS greater than 14°.
TPS value 4.5-14.5°.