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-   -   Upgraded to HiRes 10g (https://www.miataturbo.net/megasquirt-18/upgraded-hires-10g-45261/)

richyvrlimited 03-23-2010 06:22 PM


Originally Posted by Braineack (Post 543349)
the .1uF cap is need to filter the second trigger input from the CAS for some reason on Hi_Res code it's needed else you have random misfires.

needed for PNP or not using Ms-I and hi_res

Yip I had that years ago, ended up going back to the 'normal' firmware then DIYAutotune figured out the fix and it was happy days :)

Generally only later MK1's are affected, but I've seen the occasional early one require it too, (never a 1.6 tho).

timk 03-23-2010 06:30 PM

My 89 model with a MSPNP needed the filter with HiRes.

Laur3ns 05-01-2010 04:26 PM


Originally Posted by Braineack (Post 543349)
the .1uF cap is need to filter the second trigger input from the CAS for some reason on Hi_Res code it's needed else you have random misfires.

needed for PNP or not using Ms-I and hi_res

The MM9494 PNP boards already have that cap right?
Or is that another cap?

Laur3ns 05-01-2010 04:49 PM


Originally Posted by Spookyfish (Post 566368)
The MM9494 PNP boards already have that cap right?
Or is that another cap?

Found it:
https://www.miataturbo.net/showpost....0&postcount=12


Originally Posted by Matt Cramer (Post 314808)
Check the sticker on the underside of the MSPNP - if it identifies it as a Rev C, it already has the cap mod. It sounds like you have an earlier one that lacks the mod.


paNX2K&SE-R 05-07-2010 09:02 PM

Silly question but are there 2 versions of the hires firmware, one for maf and one for iat? When I downloaded the 11d zip I only saw one version and it didn't specify.


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