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Home >> Chevrolet >> 1985 >> Camaro Base, 2.8 S, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 1.8L/2.5L TBI Tests W/Codes >> Code 55 - Faulty Electronic Control Module (ECM)

Code 55 - Faulty Electronic Control Module (ECM)

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