projectB10 > 1993 Mazda MX-3 > open folder Wasted Spark conversion > dsc09880.jpg

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Black engine control unit with red lettering and "DIYAutoTune.com" text, connected to a white connector block via many wires
dsc09880.jpg | Hits: 180 | Posted on: 1/3/16 | View original size (2.61 MB)

A black engine control unit, labeled "MEFI", is connected to a wiring harness and a white connector block.   ✨ AI description