E89 Z4 Build Log- Ethanol Power Series, Chapter 2: Motiv Flex Fuel Ethanol Spike Problems
Is your Motiv Flex Fuel Module spiking to 100% ethanol at WOT in MHD, regardless of the actual blend you're running? Mine was, and in this video I go over how I fixed it and what potential methods you can try.
In the previous episode I'd fixed the Motiv Flex Fuel wiring issue, but now I was faced with yet another problem... ethanol spikes! Anytime I made more than 13psi of boost at WOT the ethanol % in MHD would read 100. Seems to be a problem for a good number of users, however not particularly consistent in terms of the fix. In this video I go over three potential methods for curing for the problem, and what eventually worked for me.
Chapters:
00:00- Cold Open- Sh'es Alive!
00:24- Dope & Pretty Intro- Still pretty rad
00:44- Problem Explanation- Ethanol spikes at WOT
03:24- Potential Fixes- The "other" power wire, direct from the battery, OEM coils
04:30- Proof from the Future- Stable ethanol!
05:17- The Problems Continue- Poor fuel pressure and a potential boost leak
Music: "The Ghost of the River" by The Anniversary- • The Ghost of the River
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