| Did a leak test a few weeks ago and its all good Ecu is stock and appears to have never been opened, when I routed the harness I didn't over tighten it I'm just assuming it's spark related because there is unburnt fuel in the exhaust so it may be sparking and just not igniting the fuel, but either way there is fuel that isn't igniting and it causes a lot of smoke. Also after this happen overnight there are stains from fuel that leaked through the exhaust flanges so it seems to be a considerable amount! Side note, i pressure tested the fuel rail before installing with new o rings and none of them were leaking, this was about 4 months ago! Thanks for the replies!
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