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Home >> Chevrolet >> 1988 >> Spectrum Express >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Trouble Shooting >> Trouble Codes >> CODE 51 (PROM Problem)

CODE 51 (PROM Problem)

Check that PROM is fully seated. If okay, replace PROM and recheck. If code 51 reappears, replace ECM.

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