My 95 civic dx throwing code 12
Well, my limited knowledge and my service manual tell me code 12 is exhaust gas recirculation system. From what I understand, it's cheap and easy to replace.
Yeah, I looked around a bit...
Sounds like it will have a little effect on mileage and efficiency, which makes sense. Also other threads say that some ecus will look for it even though they shouldn't. Sounds like you can try resetting and seeing if the code pops again, and if it does, then you can cover the hole or something? like the engine is looking for the vacuum? Like I said, happy to help but this is a bit over my head, will be interesting to learn here.
Sounds like it will have a little effect on mileage and efficiency, which makes sense. Also other threads say that some ecus will look for it even though they shouldn't. Sounds like you can try resetting and seeing if the code pops again, and if it does, then you can cover the hole or something? like the engine is looking for the vacuum? Like I said, happy to help but this is a bit over my head, will be interesting to learn here.
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Honda Civic / Del Sol (1992 - 2000)
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Oct 21, 2008 12:13 PM




