Why My ECU Was Bad & Throwing A Code 9

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Turns out the Accord's junkyard ECU was faulty. It kept throwing an OBD1 code 9. After going over the distributor it turned out to be the ECU. When opening the ECU and going over it with a magnifying glass we found 2 capacitors were blown out on the bottoms causing this issue. We grabbed up a very nice ECU on Ebay from Salty_Flats and it fixed all the issues. There may be a chance later on that the old ECU could be salvaged and fixed with some new capacitors for C14 & C17.
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Опубликовано:

27 июн 2022

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Комментарии : 10

@RAIDMATAMOSCAS 2 года назад

Same here, I changed the ECU because of the damn code 9, now it's another Accord, it doesn't vibrate, runs smooth, and it starts instantly, your video convinced me, thanks you bro!!! My Accord its a 95' F22B1 AT, now with a ECU 98' 😅

@foxisretrofitting4556 Год назад

Nice man!

@saulpaz1834 3 месяца назад

Mine started to miss on cold start for a couple seconds code 9 came up. Dizzy was already new yr ago so I just warranty it out. Week later same issue code 9 at first crank. I was thinking ecu now Ima definitely order 1

@foxisretrofitting4556 3 месяца назад

Makes sense. I'd also check and clean the wiring harness connectors that go to the distributor just in case if you haven't already. With our Hondas aging I started ordering replacement capacitors off of mouser's site and have been replacing the capacitors in the computers for peace of mind. Simple to do with a cheap Ebay adjustable soldering iron, flux, a bottle of rubbing alcohol, qtips, and some solder. Any used computer I would absolutely do this to. The Transmission computers for the Accords on the other hand are a bit thicker than the engine computers and I'm doing some tests to relocate the capacitors to a daughter board. I'll post my results soon.

@speedee01 Год назад

Same issue here. Replaced my ecu as well

@johnnelwhite Год назад

I think this may be my problem. I have a jdm gsr swap in a 95 civic with a cel 4,8,9,15 after sitting for while cause I have 2 other cars. I just put a new dizzy in but still havethe same codes. I have working b16 obd1 ecu I'll be putting in to see if the codes go away

@foxisretrofitting4556 Год назад

That does sound like a possible ecu issue. Have you opened up the ecu that was throwing the codes and look for any capacitors bulging on the bottoms or tops or any strange corroded/rusty solder joints?

@pilotohernandez1569 Год назад

I'm having that code 9 for long time only with the obd1 ecu but can't find nothing yet

@foxisretrofitting4556 Год назад

If your wiring is good and you've tried replacing the distributor and it's still throwing a code 9 It's most likely the ecu. That's how I solved my issue in this video.