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Need a bit of help. Already searched.
Im new to D series but a little more broken-in in the Prelude section of SH.
Ride: 1996 Civic DX hatch
2 nights ago I installed a civic EX header because it has 2 O2 bungs. The car has a catback exhaust and doesnt have a 2nd O2 bung until now. The downstream o2 was just chillin under the hood. Anyways, drove it home that night, everything was good and normal. Get up today and was on the interstate and I suddenly hear a single click from the guage cluster area, the speedo falls to 0 MPH and then it throws a CEL. I stop and get something to eat and go start it up and it no power surges. During the surge, when the power goes up, the speedo will jump around to every speed but the correct speed. The rpms will also go up and down. Then i go to a friends house and pull out the speed sensor and it appears to be in good working order. I pull the code and it turns out to be 3 codes in all. 2 of them are the 2 o2 sensors and the last one scares me a bit. PCM Code P1298 Electric Load Detector (ELD) Circuit High Voltage. On the code print out, it says the probable causes are 1. open or short circuit condition. 2. failed ECM. Never knew this code existed. Has anyone ever ran into this problem before? any help is appreciated.
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