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Home › Chevrolet › 1986 › Cavalier CS, 2D Hatchback, 2.0 P, Automatic › Repair and Diagnosis › Engine Performance › System › 2.0L TBI Tests W/Codes › Code 55 - Replace ECM

Code 55 - Replace ECM

Replace ECM. Clear codes, confirm "closed loop" operation and check for no "CHECK ENGINE" light.

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