DuoWing Posted March 19, 2008 Share Posted March 19, 2008 Ok I couldn't figure out a good part of this forum to post this question. Anyway I have a running Z31 ECU/MAF swap and everything on my 83' 280ZXT. Anyway I was reading the page on the differences with the Z31 ECUs here: http://www.redz31.com/pages/fuel.html Anyway at the bottom he mentions that the earlier ECUs have a lean surge problem during engine warm-up, and this can be corrected by switching to FTS vs. CHTS signal during start-up. Now my question is does anyone have a solution for this? Is there a way to effectively correct this? Primarily the problem presents itself more in the extra cold weather where it takes longer to warm up. In warm weather it's pretty much un-noticeable, although I'm looking for a solution. Quote Link to comment Share on other sites More sharing options...
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