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Home >> Pontiac >> 1988 >> LeMans SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 1.6L TBI System >> Adjustments >> Code 51, Faulty Mem-Cal

Code 51, Faulty Mem-Cal

Check that MEM-CAL is properly seated. If okay, replace MEM-CAL and recheck. If Code 51 reappears, replace ECM.