Code 51
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
DRB displays O2S STAYS BELOW CENTER (LEAN). Condition is: oxygen sensor input indicates lean air/fuel ratio during engine operation.
On BR body, DRB displays SYSTEM LEAN L-IDLE ADAP AT RICH LIMIT. Condition is: oxygen sensor signal input indicates lean air/fuel ratio condition at left O2S during engine operation. If vehicle is equipped with dual O2S, DRB will identify left or right O2S.
On BR body, DRB displays SYSTEM LEAN R-IDLE ADAP AT RICH LIMIT. Condition is: oxygen sensor signal input indicates lean air/fuel ratio condition at right O2S during engine operation. If vehicle is equipped with dual O2S, DRB will identify left or right O2S.