GrandPrix34 Posted June 2, 2004 Report Share Posted June 2, 2004 Awhile back in hunting for my Pree's prob, I swapped out my old ECM with the 4-code BCDY for a 94 3.1L ECM with a different 4-code. My question is whether the FFP chip has lesser performance effects since the chip was designed to work with the 4 code BCDY and now i have it swappaed into the 94 ECM. By the way, both ECM's have the same part #, just different 4-code. Quote Link to comment Share on other sites More sharing options...
god910 Posted June 2, 2004 Report Share Posted June 2, 2004 ECM's won't differ. Just the MEMCALs. So the perf. will be the same. Quote Link to comment Share on other sites More sharing options...
Vegeta Posted June 2, 2004 Report Share Posted June 2, 2004 No difference at all. As long as its the same ECM, the memcal will work the same. Quote Link to comment Share on other sites More sharing options...
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