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Thread: 94 civic dx code 43 nightmare

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    Certified Gearhead b20vtecrr's Avatar
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    Default 94 civic dx code 43 nightmare

    ive googled my ass off so no smart comments please, that being said, my coupe was running perfect until i went to move it it started up and bogged down and died...i checked the codes and i knew it needed an o2 sensor, but its throwing a code 43 which is fuel supply system...i was messing with the wires and i know i didnt unplug something or knock something lose but it wont start and the fuel pump is humming like it should but there doesnt seem to be any spark getting through the plug wires....idk im lost any positive advice besides google it would be greatly appreciated.....i know it something sooo simple just seeing just need to be pointed in the right direction....all fuses are good too btw

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    Quote Originally Posted by b20vtecrr View Post
    ive googled my ass off so no smart comments please, that being said, my coupe was running perfect until i went to move it it started up and bogged down and died...i checked the codes and i knew it needed an o2 sensor, but its throwing a code 43 which is fuel supply system...i was messing with the wires and i know i didnt unplug something or knock something lose but it wont start and the fuel pump is humming like it should but there doesnt seem to be any spark getting through the plug wires....idk im lost any positive advice besides google it would be greatly appreciated.....i know it something sooo simple just seeing just need to be pointed in the right direction....all fuses are good too btw
    Check your ECU, When i bought my b18 swapped 94 it was having the same prob. got the ne ECU and its been good ever since..

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    Dizzy

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    IA Member JDMJorgie's Avatar
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    ECU

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