The difference is the OEM ECU tends to do a much better job of controlling idle and alternator and A/C which is what Frank is complaining about
Larry Alster 91 Miata White Knight 92 Miata Silver Bullet 92 Miata Honey B 04 MSM MX-5 Whooosh 06 WRX STi Subie From: [email protected] [mailto:[email protected]] On Behalf Of derf Sent: Tuesday, June 28, 2011 5:06 PM To: Frank Devocht Cc: [email protected] Subject: Re: going back to an afpr setup? With the MS you control everything. I don't see how going back to factory control could be better unless the MS tune is not correct. The factory ECU will not control anything better, just different, and potentially less efficiently. You need a good, solid tune. Too bad your setup is so rare that there aren't some others who have BTDT to help you. Get some good data logs and find out what's going on when you aren't happy. Make sure everything is working. You have doubts about your injectors? Work that out before you go changing ECUs.
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