Honda B16a Wiring Problem

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Junior Member
hi everyone im new to hondas and just bought a 88-91 civic dx its got a b16a motor in it i dont know what series so if anyone can give me a tip on how to find out that would be great. Also the car is running really rich its got a pw0 computer in it and a modified dx harness that doesnt look to pretty an i would like to redo it but cant find a diagram on what to change on the harness if anyone could help me out with getting a diagram that would be greatly appreciated. oh yeah forgot the ecu codes are telln me its the map sensor and knock sensor i tried to switch the map but it still says it so thats why im thinkn its the wiring if anyone will :worthy: please that would be much appriciated thanx