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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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