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Old 05-23-2022, 02:40 AM   #2 (permalink)
Master EcoModder
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Join Date: Dec 2011
Location: New Zealand
Posts: 4,689

ND Miata - '15 Mazda MX-5 Special Package
90 day: 36.7 mpg (US)
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This was a mod a few years back in the Insight community. Some swore by it. I installed it and it made the car feel just a bit lazy to respond to inputs, and I couldn't measure any difference over a few months, so I pulled it.

I imagine on any cable throttle vehicle, it's really just affecting tip-in fuel. Or, in other words, with this mod it's going lean when you get on the gas, and going rich when you get off.
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