NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   S-afc Giving Inaccurate Readings (https://www.nopistons.com/2nd-generation-specific-17/s-afc-giving-inaccurate-readings-16291/)

rmaiersg 04-25-2003 02:34 PM
The rpm on my gauge is always like 2000 rpm less than what the S-AFC shows. I think the stock gauge is accurate b/c it shows like 800 at idle. The S-AFC, however, shows like 1700-1800 rpm and it seems like it might have more of an error the higher the rpm get. I can't really tell b/c I haven't revved the engine over 3k. Has anyone ever encountered such a problem?

j9fd3s 04-25-2003 02:38 PM
hmm thats odd



mike

pengaru 04-25-2003 02:42 PM
I don't know much about the s-afc but I suspect it is configurable in the software, perhaps the incorrect # of "pistons" is selected so it's translating the signal incorrectly?

j9fd3s 04-25-2003 02:44 PM
the 2 rotor is a 4 cylinder and the 3 rotor is 6



mike

rmaiersg 04-25-2003 03:50 PM
Oh, ok, that might be it. I'll have to check that.



Thanks guys!


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