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Old 07-23-2017, 12:59 PM   #4 (permalink)
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Originally Posted by California98Civic View Post
If the engine is still cold(ish) or the RPMs are too low, a perfectly normally operating car's ECU will not put the engine into DFCO mode.
I think you can check this by looking to see whether the engine's in open or closed loop. Seems to work for my Insight, anyway.
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