rpms reading worng

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jonny5
MegaSquirt Newbie
Posts: 7
Joined: Mon Jul 29, 2013 9:33 am

rpms reading worng

Post by jonny5 »

I have my ms2 v3 hooked up as an extra injector controller. the problem I have now it that the rpms are at 1/2 of the true reading. I have been looking through the settings in tuner studio's and not seeing how to fix. anyone have any ideas how to fix this.
Matt Cramer
Super Squirter
Posts: 2951
Joined: Sat Jul 03, 2004 11:35 am

Re: rpms reading worng

Post by Matt Cramer »

How is it getting a tach signal?
jonny5
MegaSquirt Newbie
Posts: 7
Joined: Mon Jul 29, 2013 9:33 am

Re: rpms reading worng

Post by jonny5 »

5 volt ref from pcm to coil to trip 1/4 ign coil on the vr ign input
Matt Cramer
Super Squirter
Posts: 2951
Joined: Sat Jul 03, 2004 11:35 am

Re: rpms reading worng

Post by Matt Cramer »

Set it for a two cylinder.
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