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Home >> Plymouth >> 1984 >> Reliant Base, 4D Wagon, 2.2 C, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Trouble Shooting >> Fault Codes >> Code 51

Code 51

Problem in closed loop fuel system. Code appears during closed loop conditions when the O2 signal is either low or high for more than 2 minutes.