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Home >> Chevrolet >> 1987 >> Cavalier CS, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L VIN [1] 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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