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-   -   Lc-1 reading 20+ F/R ratio when in gear but no gas applied (https://www.miataturbo.net/diy-turbo-discussion-14/lc-1-reading-20-f-r-ratio-when-gear-but-no-gas-applied-65027/)

x8mrxjohn8x 04-10-2012 06:59 PM

Lc-1 reading 20+ F/R ratio when in gear but no gas applied
 
My LC-1 is reading 20+ F/R ratio when i am in gear but no gas is applied (no throttle). Other than that, it reads perfectly. I have it hooked up to my MSPNP. Anyone has the same problem?

pdexta 04-10-2012 07:17 PM

It's the Over Run fuel cut settings under the Extended menu. Basically the ecu cuts fuel to your injectors below a certain KPA, the stock ECU does the same thing. You can turn it off; waste gas and not really notice any difference if it makes you feel better.

I'm pretty sure I bumped mine up a good bit (more aggressive) from the base map settings. Current settings are below 25kpa, less than 5% throttle position, and greater than 1500rpms and it drives like stock.

Full_Tilt_Boogie 04-10-2012 07:24 PM

It's supposed to do that.

x8mrxjohn8x 04-11-2012 03:58 AM

Great. thanks for the answers!

Bryce 04-11-2012 05:04 AM

It's a fuel saving/emissions feature.

Turn it off for some nice burbly afterfires as you decelerate. I like to do that from time to time.


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