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Originally Posted by Braineack
(Post 318963)
.1uf cap on js8?
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Originally Posted by Braineack
(Post 318963)
.1uf cap on js8?
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yea i know, but wondering if the board has the filter for the CAS input.
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My own thread is now officially over my head.
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The diode across the EBC solenoid is to prevent voltage spikes.
A flyback diode is a diode used to eliminate flyback, the sudden voltage spike seen across an inductive load when its supply voltage is suddenly reduced or removed. |
Brainey- he's getting processor resets, not mis-triggers. You can see the resets in the log, and there are no RPM spikes.
The JS8 cap will have no effect whatsoever upon this. evank, it's been found some Miatas were getting noise leading to false triggers on the second trigger input. This problem seems to be more pronounced when running HR code. Placing a .01uf capacitor between JS8 and ground on the MS corcuit board seems to cure this. But I don't think this is your problem. |
Originally Posted by Joe Perez
(Post 319122)
it's been found some Miatas were getting noise leading to false triggers on the second trigger input. This problem seems to be more pronounced when running HR code. Placing a .01uf capacitor between JS8 and ground on the MS corcuit board seems to cure this. But I don't think this is your problem.
For my reference, what would the symptoms be if this ever happens? |
misses.
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We solved my friends MSPNP reset problem with extra grounds.. About 8 of them. My home built v2.2 MS went ape shit one day last week and reset about every .0125 seconds... Then just, stopped. Hasn't reset since, though, once in a while I'm getting a misfire during cruise which I THOUGHT was resets until I checked logs.. Have a new set of plugs and MORE COPs coming.. I'll get that damn COP crap working if its the last thing I do!!
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The diode trick didn't work. I confirmed that the diode is installed in the right directions, etc., but I still get resets at around 14-15 psi. So, I will try going to a smaller plug gap (.020). I happen to have an unopened set of FM's extended-length plugs which are supposed to give a fuller burn. Will try the gap with those instead of with my current plugs.
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Made the aforementioned changes today (.020, new plugs) ... went for a ride while datalogging and didn't get any resets while holding 15psi. But the outside temp was only 50s. Won't declare the resets "fixed" until I get the same results in much colder weather.
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