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Home >> Dodge and Ram >> 1989 >> Lancer Base, 2.2 D, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L Turbo Tests W/Codes >> DTC Identification >> Trouble Codes >> Code 51

Code 51

Oxygen feedback system circuit. Monitored by SMEC during closed loop operation. Check engine light is illuminated on California models. Displayed if system stays lean for more than 2 minutes.