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  1. 1989 d21 SE ecu trouble.

    HB Truck
    Sup people's new to forum/ Nissan's so kinda learning how they work, got a 89 SE 5spd bought with tired motor so swapped in a 2000 xterra/pathfinder vg33e not sure which one but has always been in limp mode from day one code 51 after purchasing injector,dist,ecu with no luck, understand the...